3rd Grading Science

8/11/2019 3rd Grading Science

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I. Objectives1. Observe materials at home and their use2. Classify household materials according to use

II. Subject Matter: Household Materials and Their Uses

References:BEC IV.1Into the Future Science and ealth! "" 112# 11$

Materials:%ifferent household materials! chart

Science Ideas: ousehold materials are used in various &ays' "ersonal body care "roducts! cleaning

agent! medicine! farm chemicals and food.

Science Processes:Observing! describing! classifying

III. Learning ctivities

. Pre!arator" ctivities

#. Revie$ (hat are the common household materials)

o& are these materials used)

%. Motivation %o you *no& ho& to use the different household materials at your

home)

Cite one material and tell ho& this is used at home.

&. 'evelo!(ental ctivities

#. Presentation+et the "u"ils &rite on the board t&enty materials found at home.+et them read these &ritten materials.,s*' %o you *no& ho& these t&enty materials are used)

%. ctivit" -by grou"a. Com"lete the table &ith the materials listed on the board according to their

use.

/ersonal BodyCare /roducts

Cleaning,gent 0edicine

FarmChemical

itchen(ares Food

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). 'iscussion -%iscuss the table as Each grou" discusses each of the uses.

rou" 1' o& are the materials used as "ersonal body care "roducts)

rou" 2' o& are the materials used as cleaning agent)rou" 3' o& are the materials used as medicine)

rou" 4' o& are the materials used as farm chemicals)

rou" 5' o& are the materials used as *itchen &ares)

rou" 6' o& are the materials used as food)

*. +enerali,ation

(hen do &e say that a material is a body care "roduct! a cleaning agent!medicine! farm chemical! *itchen&are or food)

'. !!licationClassify the follo&ing according to use'

1. alcohol

2. fungicide

3. muriatic acid

4. /almolive bath soa"

5. roll# on7 deodorant

I-. valuation Com"lete the fish bone ma" by &riting materials according to the use &ritten.

0E%ICI8E

/E9SO8,+BO%: C,9E

F,90C E0IC,+S

2

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-. ssign(ent Can a material be both a cleaning agent and a "ersonal body care "roduct) ive

e;am"les.

I. Objectives1. Identify food "reservatives and additives2. %escribe ho& food "reservatives and additives are used

II. Subject Matter: Materials used at Ho(e: /ood Preservatives and dditives

References:BEC III.1.1 to III.1.2Into the Future Science and ealth! "". 114.Science and ealth 6! "". 115# 116

Materials: Food &ra""ers! tin can &ra""ers! "ictures of materials used at home

Science Ideas:1. Food "reservatives are substances that "revent or slo& do&n the gro&th of

microorganisms such as bacteria! fungi and viruses.2. Food additives are substances added to food &hich is used to im"rove

nutritional


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. Pre!arator" ctivities#. Revie$

,s*' =(hat are the three states of matter)ive five e;am"les of each.

%. Motivation,s*' (ho among you *no& ho& to coo* viands)(hat viands do you coo*) %o you coo* it &ell)(hat materials do you use to ma*e your viand delicious)

&. 'evelo!(ental ctivities#. Presentation

(hat are the things used in coo*ing) (hich among those materials are considered food "reservatives and food

additives) >nloc* the &ords "reservatives and food additives.

%. ctivit" #9ead about food additives and "reservatives on "ages 115 to 116 and "age 114 of =Science and ealth 6? and =Into the Future Science andealth? res"ectively.

ctivit" %Bring out the food &ra""ers and tin can &ra""ers. -"re#assignedactivity+oo* for the &ord "reservatives used in the food "ac*ed in a "articular &ra""er or tin can.

). 'iscussionctivit" #

a. (hat are food "reservatives and food additives) b. (hy are food "reservatives and food additives used)c. (hat "resevatives do you use at home)d. (hat food additives do you use at home)e. %escribe ho& sodium nitrate! sodium ben@oate! sorbic acid!

atchuete! salt! vetsin are used as food "reservatives or foodadditives.

ctivit" %a. (hat &ra""ers and tin can &ra""ers did you get) b. (hat "reservatives are used in the food contained by the &ra""ers)c. (hy do you thin* these "reservatives are added)

*. +enerali,ation (hat food additives and food "reservatives are used at home) o& do you

describe food additives and food "reservatives) o& are they used)

'. !!lication Cite an e;am"le &here salt is used as a "reservative. ive an e;am"le &here

atchuete is used as food additive. (hat food "reservative and food additiveare used in soy sauce! instant noodles! Auice drin* and sand&ich s"read)

I-. valuation,. Com"lete the #chart by &riting five food additives and five food "reservatives used

at home.

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B. 1. %escribe ho& food "reservatives are used.%escribe ho& food additives are used in coo*ing foods.

-. ssign(ent 0a*e a research on some "lants that can be used as food "reservatives or as additives.

I. Objectives1. Identify common house*ee"ing materials

2. %escribe ho& the materials are usedII. Subject Matter: Materials used at Ho(e: House0ee!ing Materials

Science Ideas:0aterials commonly used at home include house*ee"ing materials li*edisinfectants and other cleansing agents li*e soa"s

Science Processes:Ordinary laundry soa"! detergent! salt! &ater! basin

III.Learning ctivities. Pre!arator" ctivities#. Revie$

a. (hat are food additives) (hat do food additives do to our foods)ive e;am"les of food additives.

b. (hat are food "reservatives) (hat do food "reservatives do to our food) ive e;am"les of food "reservatives.

,dditives

1.

2.

3.

4.

5.

Food

/reservatives

1.

2.

3.

4.

5.

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%. Motivationa. ,re you &ashing your o&n clothes) o& do you &ash it) b. (hat do you use in &ashing clothes)c. (hat do you use in &ashing your hands and in ta*ing a bath) ave

you tried ta*ing a bath &ithout using soa") o& did you feel)


,s* the "u"ils the different brands of soa" and detergents they*no&.

ell them that soa"! detergents and other cleansing or house*ee"ingmaterials are other materials commonly found at home.

%. ctivitiesa. et ordinary laundry soa" and a detergent. alf fill a basin &ith &ater.

,dd cu" of salt to the &ater. Stir the mi;ture until the salt dissolves.

/our D of the salt#&ater solution into another basin. et t&ohand*erchiefs. (ash a hand*erchief in one basin using ordinary laundrysoa". (ash the other &ith the bar detergent. (hat are your observations)

b. 9ead on "ages 116 and 11$ ofScience and Health 6 and "ages 114 to 115of Into the Future Science and Health .

). 'iscussiona. 1. (hat ha""ened to the ordinary laundry soa" and the detergent &hen

used to soa" the hand*erchiefs) (hy)2. +et the "u"ils infer that the salt com"onent of the &ater in one of the

basin contains minerals that "revent soa" from ma*ing bubbles. b. (hat are e;am"les of house#*ee"ing materials)

%escribe the three main uses of these house*ee"ing materials'1. antise"tic2. disinfectants3. germicidal

%ifferentiate the three terms according to use.E;"lain ho& soa"s! sham"oos! bleaching agent and scouring "o&ders are used.

%iscuss the com"onents of soa"s.*. +enerali,ation

(hat are common house*ee"ing materials)o& are these house*ee"ing materials used)

'. !!lication(hat do you use &hen you ta*e a bath to clean your hair) (hy is sham"ooim"ortant) (hy do &e use bleach &hen &e &ash clothes)

I-. valuation

,. Identify house*ee"ing materials and &rite them in the cater"illar belo&.

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B. Choose t&o house*ee"ing materials you &rote and describe ho& these materials areused.

-. ssign(ent (hy do you &ash a cut finger or a scra"ed *nee &ith soa" and &ater before a""lying

any medicine)

I. Objectives1. Identify common household "esticides2. %escribe ho& these materials are used

II. Subject Matter: Materials used at Ho(e: Pesticides

Materials: /ictures of coc*roaches! cater"illars on "lants and other harmful insects.

Science Ideas:1. /esticide is a "oison used to effectively control "ests.2. /esticides classified as herbicides *ill fungi and molds and insecticides *ill insects.

Science Processes: describing


ouse*ee"ingmatls

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. Pre!arator" ctivities#. Revie$

(hat house*ee"ing materials do you find in your house) o& do you use these materials) (hat benefits do you get from these materials)

%. Motivation,s*' %o you find coc*roaches and rats around your house)

(here do you thin* they come from)(hat do you do to get rid of them in your house)


Sho& "ictures of insects found at home and in the garden li*ecoc*roaches! a"hids! cater"illars! and mos


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,. ive t&o e;am"les each of fungicide! insecticides! and herbicides using the Venndiagram.

B. %escribe ho& fungicides! insecticides! and herbicides are used.

-. ssign(ent Share &ith the class ho& your father uses "esticides in the garden.

I. Objectives1. Identify common household "aints and solvents2. %escribe ho& these materials are used

II. Subject Matter: Materials Used at Ho(e: Paints and Solvents

References:

BEC III.1.1 to III.1.2Into the Future Science and ealth! "" 116Science and ealth 6! "". 11H

Materials:/ictures of "ainted houses and other structures

Fungicides

erbicides

Insecticides

H


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Science Ideas:1. /aints are used to "rotect and decorate surfaces!2. (ater is the universal solvent. Other solvents are used as cleaning agents li*e

muriatic acid.

Science Processes: Observing! describing



#. Revie$ (hat &ill you do &hen your garden is very grassy and you "lan to till it)

%. Motivation ,s* &ho among the "u"ils are fond of dra&ing. (hy do you color and

"aint your dra&ings)


#. Presentation Sho& "ictures of "ainted houses and other structures. Com"are them to the

un"ainted ones. (hich are more beautiful to loo* at) (hy) ell the class that "aints are other common materials used at home.

%. ctivit"a. 9ead "age 11H of =Science and ealth 6? and "age 116 of =Into the Future

Science and ealth.? b. 1. Observe your clothes and your classmate s clothes. (hy are they of

different colors)2 ,re they beautiful and colorful to loo* at) (hy)

). 'iscussiona. (hat are a""lied to your clothes to achieve their color)

(hy are dyes a""lied to clothes)+et them infer that a dye is a com"onent of "aint.

b. 1. (hat are "aints)2. (hat are the com"onents of "aint)3. (here do &e use "aints)4. (hy are "aints im"ortant)5. o& are "aints used)6. E;"lain =(ater is the >niversal Solvent.?$. E;"lain solvents as dissolving agents -thinners and tur"entine and

cleansing agents -muriatic acid! vinegar etc.G. (hat are the uses of "aints and solvents)H. %iscuss ho& "aints and solvents are made.

*. +enerali,ation (hat household materials are used for "ainting and dissolving) o& are "aints and solvents used)

'. !!lication

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Identify "ainted materials and structures in your school. E;"lain ho& the "aint is used in those materials.

I-. valuation

,. Identify &hat is being as*ed. 1. It decorates and "rotects homes! building and furniture. 2. hese are the t&o com"onents of "aint. 3. 4. he solvents commonly used in "aints. 5. 6. Effective solvent of tile stains in the bathroom.

B. Enumerate three uses of "aints.1.

2. 3.

-. ssign(ent (hat do you thin* &ould ha""en &ithout "aints and dyes)

I. Objectives1. Identify common household "lastics and synthetics2. %escribe ho& these materials are used

II. Subject Matter: Materials used at Ho(e: Plastics and S"nthetics

References:BEC III.1.1 to III.1.2Into the Future Science and ealth! "" 116# 11$Science and ealth 6! "". 11G

Materials:

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Sam"les of "lastics and synthetics

Science Ideas:1. ousehold materials may be natural or synthetics.

2. /lastics are used as electrical insulators! bags! *itchen &ares! etc...Science Processes:

Observing! describing



#. Revie$

(hat common household materials are used to *ill "ests! to enhance foodcolor and flavor! and to decorate surfaces) o& are these materials used at home)

%. Motivation (hen do &e say that an obAect is Aust "lastic) ,re there some "eo"le &ho

&e can refer to as ="lastic)? (hy) ave you encountered "lastic friends)

&. 'evelo!(ental ctivities#. ctivit" a

1. Bring e;am"les of materials made of "lastic

2. ,s dis"layed on the table! observe the characteristics of the "lastics andsynthetics. Observe the characteristics of the "lastics used in the material.

ctivit" b9ead "age 11G of =Science and ealth 6.?

J (hat are the characteristics of the "lastic used in the materials)J (hat are synthetics)J From &hat elements do they come from)J (hat are the different *inds of "lastics)J ive e;am"les of "lastics that are very strong and resistant to heat and

cold.J o& are these materials used)J %escribe the synthetic materials made into "lastics.J (hy are "lastic materials chosen by manufacturers for their

"roducts that are intended for household use)

*. +enerali,ation (hat materials are commonly made into *itchen &ares and other household

materials)

'. !!lication # Com"lete the table

Plastic Materials Uses

!!lication %

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Identify the hidden "lastic materials in the "u@@le.

, O S + O 9 9 S 8 K : 9 V( S / O + 9 B C : K S V /I L O + C V C O > M + V C /

8 V O V , C V F O 9 O S +% L 8 C L M M O O 8 ,O V S + E M O 0 9 C / S( L E S C C O % S ,S O S L ( I B O ( L C M S IL + + C I 9 M : 9 K V ( C/ O L C : V : , V K V C C0 L M C C C + K B / , V K >0 L E E + C V 9 / K M C // + C M E M ( K > E V > ( / SE B , S % I K S 9 + > 8S : : F V S S O C S

K K N S M > 0 V 8 9 L C

I-. valuationive five household materials and give their uses.1.2.3.4.5.

-. ssign(ent (hy are most materials being manufactured today made of "lastics)

I. Objectives1. Identify &arning signs7 "recautions in "roduct labels.2. E;"lain the im"ortance of reading "roduct labels.

II. Subject Matter: 1arning Signs in Product Labels

References 'BEC IV.2 to IV.2. 1

Materials:

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(ra""ers and containers of medicines! "esticides! insecticides! alcohol and the li*e!sam"le "recautions

Science Ideas:

1. /roduct labels should be read before using the "roduct to avoid accidents and tocorrectly use the "roduct.

Science Processes:Observing! describing! identifying

III. Learning ctivities. Pre!arator" ctivities

#. Revie$ ive one material used at home and e;"lain ho& it is used.

%. Motivation


/resent e;am"les of "recautionary measures in "roduct labels.

PR * UTIO2S3 For e;ternal use only. %onot s&allo&. %o not use in

or near the eyes. %o not useon dee" "uncture &ounds. For children! use under adult su"ervision. ee" tightly closed andstore at room tem"erature. /L MM &L . ee"out of reach of children.

+et the "u"ils read the "recautionary measure &ritten in analcohol battle.

(hy do you thin* it is veryim"ortant to read this "recautionarymeasure before using the "roduct)

2. ,ctivitya. %istribute "roduct &ra""ers and bottles to the "u"ils. Co"y the

"recautionary measures "rinted on the label of the bottle and be ready tore"ort the contents7 message to the class.

3. %iscussiona. 1. %iscuss each "recautionary7 &arning sign re"orted by each "u"il.

2. (hat are the common contents of &arning signs)3. (hy do &e have to read this &arning signs)

+et them infer that reading the &arning signs of "roducts "reventsaccidents! illnesses! diseases! and other situations that arethreatening to our health.

4. %iscuss the aids to be done in case a chemical is s&allo&ed! a""lied toa bro*en &ound or a burning chemical is "oured on the s*in.5. %iscuss the value of "ro"er usage of materials es"ecially chemicals.

*. +enerali,ation (hat "recautionary measures are commonly &ritten in "roduct labels of

materials) (hy is it im"ortant to read &arning signs of "roduct labels)

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'. !!lication :ou are to &ash a stained cloth and you &anted to use @onro; bleach. (hat

should you do first) +et the "u"ils read the &arning in @onro; bleach label and let them e;"lain.

4ee! Out of Reach of *hildrenCaution: %o not use together &ith other acidic cleaners or chemicals. ,void contact&ith eyes. 8ot to be ta*en internally. If s&allo&ed! feed mil* and call doctor immediately. Store in a cool dry "lace.ightly ca""ed in u"right "osition.

I-. valuation

,. Co"y and e;"lain the &arning sign distributed to you by your teacher.B. Com"lete the conce"t "ersuasion ma" given belo&

-. ssign(ent (hat are the advantages of reading &arning signs in the "roduct)

I. Objectives1. Identify the ingredients &ith or &ithout nutritional value of food "roducts2. E;"lain the im"ortance of reading the ingredients &ith or &ithout nutritional value of

food "roducts

3. Classify ingredients of food "roducts &ith or &ithout nutritional value

II. Subject Matter: Ingredients of /ood Products

References:BEC IV.2 .2

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Materials:(ra""ers and containers of foods! sam"le of food "roducts.

Science Ideas:Foods "roducts containing ingredients &ith or &ithout nutritional value are beneficial to

our health &hile those &ithout values are destructive.Science Processes:

Observing! describing! classifying


#. Revie$ (hy should &e be very careful in reading &arning signs of "roduct labels

es"ecially chemicals)

Imagine that you are a manufacturer of floor &a;es. o& &ould youconstruct your &arning sign in your "roduct) (hy should you &rite these "recautions)

%. Motivation ,re you eating a balanced diet) (hat do you eat during brea*fast! lunch and dinner) (hat do you eat during your =merienda? time) ,re you a&are if you are eating the right *ind of food or not)


Sho& the class the different e;am"les of food "roducts. ,s* them if it is alright to eat these food sho&n. ell them that food "roducts contain ingredients of nutritional value

and ingredients &ithout nutritional value

%. ctivit"a. et &ra""ers of different food "roducts li*e chi""y! instant noodles. b. +ocate on the &ra""er the ingredients &ritten.c. (hich ingredients have nutritional value) (hy)

d. (hich have no nutritional value) (hy)e. +ist do&n reasons &hy &e should be very observant of the foods &e eat.

). 'iscussiona. (hat are the ingredients &ritten on the food &ra""ers of chi""y and

instant noodles) b. (hich ingredients have nutritional value) (hy)c. (hich have no nutritional value) (hy)d. (hy should &e be very observant and cautious about foods &e eat)e. +et the class infer that eating too much of food &ithout nutritional value

li*e =chechiria?! carbonated drin*s! and the li*e is harmful to our health. It

may cause illness li*e urinary tract infection -> I ! dental carries andothers.f. %iscuss the relationshi" of these non# nutritional ingredients to the

occurrence of such diseases.g. ive more e;am"les of foods &ithout nutritional value.

*. +enerali,ation(hy is it im"ortant to *no& the ingredients of the foods &e eat)

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(hat food ingredients are nutritious)(hat ingredients have no nutritional value)

'. !!lication%istribute more &ra""ers of food "roducts to the "u"ils.

+et them classify the ingredients into nutritional and non# nutritional.

I-. valuation,. Classify the follo&ing ingredients into nutritional and non# nutritional. (rite them in

their "ro"er column.

carbonates s"ices monosodium glutamate -vetsin flavor enhancer vegetable oil &heat flourvegetable gums sugar "alm oil food coloringantio;idants stabili@er salt

8utritional Ingredients 8on#nutritional Ingredients1. 2. 3. 4. 5.

B. ive t&o reasons &hy it is im"ortant to *no& the ingredients of foods &e eat.

-. ssign(ent%iscuss &hy =vetsin? can cause >rinary ract Infection. -9esearch

I. Objectives1. Identify materials im"roved by technology2. %escribe the im"rovement done by technology on the materials

II. Subject Matter: Materials and Technolog"

References: BEC III.2.1 to III.2.2Science and ealth 6! "". 121Into the Future Science and ealth! "". 11G# 121

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Materials: %ifferent *inds of detergents! "ictures of "ressure coo*er! micro&ave andother materials im"roved by technology.

Science Ideas:echnology "roduces better and more useful materials for our homes.

Science Processes: Observing! describing! com"aring! inferring

III.Learning ctivities


#. Revie$9ecall the difference bet&een science and technology.ive e;am"les in order to understand the t&o terms.

% Motivation(hat do you use in coo*ing at home and in &ashing your clothes)%escribe the utensils or materials you use.%o you thin* these materials that you use in coo*ing and eating are thesame as the materials your grand"arents used before) (hy or &hy not)


#. PresentationSho& different *inds of detergents! "ictures of "ressure coo*er! micro&ave

and heat resistant glass&are.,s* them if they are using such materials at home. %o you thin* thesematerials e;isted hundred of years before) (hy or &hy not)+et the "u"ils infer that the materials &ere not used before and that thesematerials &ere im"roved from their sim"ler form.

%. ctivit"a. 1. 0a*e a list of the materials you use at home that you thin* &as

im"roved by technology.2. O""osite each material! e;"lain ho& you thin* it &as im"roved.3. Com"are your list &ith those of your classmates.

b. 9ead about materials and technology on "ages 11G to 121 of Into the Future Science and Health .

) 'iscussiona. ,s* the "u"ils the materials they use at home and hel" them e;"lain

ho& these materials &ere im"roved by technology.%ifferentiate the im"roved materials from the same ordinarymaterials so they could understand more the im"rovement made.

b. ell the class that &e are enAoying the materials &e are using no& because of technology.el" the "u"ils e;"lain ho& the follo&ing materials &ere

im"roved by technology.

i. soa"s and detergentsii. heat resistant glass &ares7 *itchen utensils

iii. ne& "ac*aging materials for ca"sule7 drugs

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iv. stovesv. ordinary steel

ive more e;am"les of materials im"roved by technology and letthem e;"lain the &ays of im"rovement.

%iscuss the elements used to im"rove the materials. *. +enerali,ation

(hat are some materials im"roved by technology)(hat are the im"rovements done on the materials)

'. !!licationo& are car &indshields im"roved so that &hen a great force hits them! theglasses do not form s"linters as ordinary glasses do)(hy do detergents today remove dirt easily)

I-. valuation0ulti"le choices' Choose the letter of the correct ans&er.1. o& can ordinary glass be made heat resistant)

a. By adding cyanide solutions to the glass. b. By adding boric o;ide to the glass.c. By adding @inc to the glass.d. By adding magnesium to the glass.

2. %escribe ho& some cleaning materials are im"roved by technology.a. by adding "erfume and refreshing scent. b. by adding &hitening agents

c. by adding en@ymes that remove dirt easily.d. by all of the above.3. (hich of the follo&ing materials &ere im"roved by technology)

a. cut bamboo b. heat resistant glassesc. dried leavesd. iron ore

4. o& is the ca"sule form of drugs better than the tablet form) It is .a. attractive b. less in &eightc. more efficient because it dissolves in the largest area

d. less in volume5. (hat common materials in your home are continuously im"roved by technology)a. *itchen utensils b. soa" and detergentsc. "ac*aging and "reserving of foodsd. all of the above

-. ssign(ent9esearch on ho& ordinary "lastics &hich are non#biodegradable are made biodegradable.Find out the *ind of "lastic used in the manufacture of ,utomated eller 0achine -, 0

and the magnetic stri"s in them.

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I. Objectives1. Infer that some materials have good effects on other materials2. Identify conditions &hen effects of materials are beneficial

II. Subject Matter: *onditions 1hen Materials Have &eneficial ffect

References: BEC III.3.1Science and ealth 6! "". 122Into the Future Science and ealth! "". 122# 125

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Materials: 1 cu" all# "ur"ose flour! cu" &hite sugar! D cu" &ater! D teas"oon salt!D teas"oon oil! 1 teas"oon ba*ing "o&der! "ictures of materials

li*e electric fan! sa&! flat iron! oven toaster. Etc.

Science Ideas:1. 0aterials "roduce a beneficial effect &hen heated or mi;ed &ith anothersubstance.

2. Some conditions that have beneficial effects are fermentation! burning andheating.

3. Some materials ma*e living more comfortable.

Science Processes: Observing! describing! inferring


. Pre!arator" ctivities#. Revie$+et a "u"il identify a material im"roved by technology and then call aclassmate to tell ho& the material is im"roved.

% Motivation(hat do you use to coo* your food at home)(hich is easier to use! &ood or gas stove) (hy)%o you *no& ho& to o"erate the gas stove)(hy do "eo"le use materials in the environment)


Sho& "ictures of electric fan! com"uter! flat iron! oven toaster! sala set andother materials.

,s* the students' ,re these materials beneficial or useful to us) o&)

%. ctivit"a. 0a*e a list of the materials you see at home. -use table

O""osite each material! e;"lain &hy it is useful to you.Com"are your list &ith those of your classmates.

8ame of 0aterials Benefits they ive o& 0aterials ,ffect /eo"le(E &or* easier C materials &7c ma*e us feel

comfortable

b. %ough ma*ing -"re# assigned activity1. /re"are the follo&ing materials' 1 cu" all# "ur"ose flour! cu" &hite

sugar! D cu" &ater! D teas"oon 8aCl! D teas"oon oil! 1 teas"oonyeast7 ba*ing "o&der.2. 0i; all ingredients in a bo&l to ma*e dough. %ivide the dough into 2

and "ut these on a se"arate bo&l.3. ,dd a teas"oon of yeast into one of the mi;tures. +eave the other as is.4. +eave the dough for about t&o to three hours. Observe.

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). 'iscussiona. 1. (hat materials are found in your home)

2. o& are these materials useful to you)3. (hat materials ma*e "eo"le live comfortably)4. (hat materials ma*e &or* easier to do)

b. 1. (hat differences did you notice in the dough)2. (hat do you thin* caused the differences)3. (hat hel"s the dough to ferment)4. (hat chemical change occurred)5. (hat are other e;am"les of fermented "roducts)

c. 1. ell the class that materials "roduce a beneficial effect &henheated or mi;ed &ith another substance.

2. %iscuss the follo&ing e;am"les'o Fermentation -dough! &ine! vinegar! fish "aste or bagoongo

(ashing clothes &ith bleaching agentso Combustion7burningo /ersonal health "roducts li*e soa"s! tooth"aste! sham"oo

3. (hy are the mentioned "rocesses and "roducts beneficial to "eo"le) +et them state the benefits derived from fermentation!combustion and "ersonal health "roducts.

*. +enerali,ation(hat are some conditions &hen materials have beneficial effects)

'. !!lication1. o& does your mother ma*e your &hite clothes &hiter and remove stains onclothes)

2. (hen you clean the living room or other "arts of the house! &hat ma*es &or*easy)

I-. valuation(rite the conditions &hen materials have beneficial effects in the circles. 1. o& can &hite clothes be made &hiter)

a. by dying

b. by ironingc. by heatingd. by bleaching

2. (hy is detergent in tooth"aste beneficial to man)a. It "revents dental cavities. b. It strengthens the tooth.c. It reduces the formation of "la


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b. Fermentation removes stains from clothes.c. Fermentation "roduces vinegar! &ine! and fish "aste -bagoongd. Fermentation enables frying "ans to achieve a non#stic* finish.

5. o& can you remove tiny solid "articles sus"ended in &ater)

a. by boiling b. by filteringc. by chlorinationd. all of these

-. ssign(ent+oo* for materials advertised in ne&s"a"ers and maga@ines. Fill u" the table.

,dvertised 0aterials Im"rovement %one Effects of Im"rovement %one1.

2.3.

I. Objectives

1. Infer that some materials have bad effects on other materials and on the environment.2. Identify conditions &hen materials have harmful effects

II. Subject Matter: *onditions 1hen Materials Have Har(ful ffects

References: BEC III.3.2Science and ealth 6! "". 123# 126

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Into the Future Science and ealth! "". 126# 13

Materials: Charts and illustrations of ho& the o@one layer is destroyed and its effects! "ictures sho&ing "olluted air

Science Ideas:1. Some materials have harmful effects on the environment.2. ,ir and &ater "ollution can harm man! "lants! animals and other materials.3. ,cid rain! global &arming and destruction of o@one layer are results of air

"ollution.4. 9ed tides! continuous use of "esticides and dum"ing of garbage into ro&s

and la*es all bring about &ater "ollution.

Science Processes: Observing! describing! enumerating! inferring



#. Revie$(hen do &e say that a material is beneficial to us)Chec*ing of assignment.

%. Motivationave you been in the city or in any busy street)(hat are your observations of the "lace) of the air)

(hat do you thin* are the causes of your observations)&. 'evelo!(ental ctivities

#. Presentation,s*' 1. (ho among you have refrigerators at home) %o you enAoy

using them) (hy)2. (ho among you use hair s"rays! air fresheners and air

conditioners at home) o& do you find these materials)3. ,re you a&are that these materials! cause the destruction of the

o@one layer)

%. ctivit"a. 9ead "ages 123# 126 of =Science and ealth 6? and "ages 12$# 12G of

=Into the Future Science and ealth? to understand the illustration of the destruction of our o@one layer.

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'iscussiona. %iscuss the thinning of the o@one layer and its effects using the

illustration.(hat is the maAor cause of o@one destruction)(here are CFC s derived) (hat is the material that ma*es therefrigerator cool)o& does CFC destroy the o@one layer) -by thinning it(hat ha""ens to the atmos"here &hen the o@one layer can no longer "revent e;cessive solar radiation)(hat are the effects of o@one layer destruction to human beings and tothe environment)%iscuss global &arming and greenhouse effect and their causes and

effects on the environment.*. +enerali,ation

(hat conditions occur &ith the usage of materials li*e our air conditioners!refrigerators and other man#made machines)

'. !!lication%escribe the atmos"here &hen you enter a greenhouse. Is there sunlight inside)(hy) Is the tem"erature &arm or cool) (hy)

I-. valuation(rite the letter of the correct ans&er on the line before the numbers. 1. (hat causes the thinning of the o@one layer)

a. o;ygen c. hydrogen b. nitrogen d. chlorofluorocarbon

2. (hat condition occurs &hen heat is tra""ed and built in the atmos"here nearthe earth s surface)

,ir conditioners! refrigerators! airfresheners! hair s"rays

,erosol

Chlorofluorocarbons -CFC

O@one layer -/rotective layer of the atmos"here

E;cessive hermal Energy

%estroysss

E;cessive >ltra violet 9ays

lobal (arming S*in Cancer

Blindness

Cataract

Forest FiresEl 8iPoFloodsreen houseeffect

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a. greenhouse effect c. climate change b. forest fires d. o@one layer thinning

3. (hat results &hen there is an abnormal rise of tem"erature in the earth satmos"here)a. global cooling c. acid rain

b. global &arming d. greenhouse effect 4. (hen global &arming occurs! icebergs melt in the /olar 9egions. (hatha""ens ne;t)

a. El niPo c. ty"hoons b. Floods d. forest fires

5. (hat condition occurs &hen CFC reaches the o@one layer)a. thinning of the o@one layer c. global &arming b. acid rains d. El niPo

-. ssign(ent

+ist some illnesses that may develo" due to thinning of the o@one layer and thegreenhouse effect.

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I. Objectives1. Infer that acid rain formation have bad effects on other materials and on the

environment2. Identify conditions &hen materials have harmful effects

II. Subject Matter: Har(ful ffects of So(e Materials5 cid Rain /or(ation

References: BEC III.3.2Science and ealth 6! "". 123# 124Into the Future Science and ealth! "". 126# 12$

Materials: Charts and illustrations of acid rain formation! "ictures of "o&er stations!factories! vehicles and other material# emitting fuels! "ictures of

statues destroyed by acid rain! candle! glass and matchstic*.

Science Ideas:1. ,ir "ollution can cause harm to man! "lants! animals and materials.2. ,cid rain is a result of air "ollution. It refers to all ty"es of "reci"itation that is

acidic in nature. It may come in the form of rain! sno&! fog or hail.

Science Processes: Observing! describing! inferring


#. Revie$(hat conditions occur due to chlorofluorocarbons)o& does it affect man7"eo"le! "lants! animals! and environment)

%. Motivationa. Sho& "ictures of factories and vehicles emitting smo*es. (hat do you

see) b. (hat do you observe from motori@ed vehicles)c. (hat ma*es these vehicles run)d. %o you *no& the effects of these smo*es to us and to our environment)

+et them infer the effects.


a 1. +ight a candle &ith a matchstic*.2. old a "iece of glass carefully a little above the flame.3. Observe &hat is formed on the undersurface of the glass.

b. 1. 9ead "ages 123# 124 of =Science and ealth 6.?J (hat is formed in the undersurface of the glass &hen "laced above

the burning candle) (here did the soot come from)J (hat are the com"onents of a candle)

J (hat ha""ens &hen a candle burns)J (hat ne& materials are formed)J (hat &ould ha""en if you inhale soot)

ctivit" b1. Study the diagram.

J (hat *ind of gases are released by vehicles and factories)J (hat is formed &hen these gases combine &ith &ater va"or in the air)

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J (hat do you thin* &ould ha""en to the soil! buildings! and animals toe;"ose &ater su""ly &hen acid falls)

J (hat is acid rain)

*. +enerali,ation(hat conditions occur due to combustion of fuels)

'. !!lication

o& shall &e "rotect our environment from the destructive acid rain) ive asmany inferences as you can.

I-. valuation

(hat are the harmful effects of acid rain)

-. ssign(ent

+ist do&n the harmful effects of household materials li*e "esticides! "aints and solvents!food additives and food "reservatives.

F>E+Containing carbon! hydrogen! sulfurdio;ide!

nitrogen! and lead

Burned Q used

Cars! factories! homes

O;ides of sulfurnitrogen Q carbon

brain damage

+ead o;ide(ater

Causes

,nimals

,cid 9ain

%estroyss

Buildings/lants

2G


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I. Objectives1. Infer that &ater "ollution has bad effects on other materials and on the environment2. Identify conditions &hen materials have harmful effects

II. Subject Matter: *onditions 1hen Materials Have Har(ful ffects: 1ater Pollution

References: BEC III.3.2Science and ealth 6! "". 12H# 13Into the Future Science and ealth! "". 126

Materials: /ictures of "olluted &ater

Science Ideas:1. ,lgar bloom is a condition &hen fertili@ers are carried by running &ater into

bodies of &ater causing the ra"id gro&th of small a


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5. , condition caused by fertili@ers in bodies of &ater.

-. ssign(ent(hat harm does ingestion of insecticides and "esticides do to our body) (hat shall&e do &ith the foods &e eat to lessen the amount of "esticides in them)

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I. Objectives1. Identify safety "recautions in handling and storing certain materials2. /ractice "recautionary measures in using and storing household materials

II. Subject Matter: Pro!er Use and Storage of Materials

References: BEC III.4Science and ealth 6! "". 12$# 12GInto the Future Science and ealth! "". 131# 135

Materials: Cli" ne&s about fire and other accidents

Science Ideas:

Safety "recautions should be observed in the use and storage of materials.Science Processes: ,naly@ing a rating scale on safety "recautions! observing!

describing! inferring! identifying



#. Revie$Com"lete the table belo& to sho& the beneficial and harmful effects ofmaterials.

0aterial Beneficial Effects armful Effects1. /esticide

2. Fuels

3. 9efrigerators

4. /reservatives

%. Motivation%iscuss the value of cleanliness and orderliness at home. +et the "u"ilsdiscuss their e;"eriences or accidents met due to im"ro"er use! handlingor storage of materials at home.


#. Presentation

9ead safety measures in the use of materials and "ro"er storage ofmaterials. -see enclosed measures

%. ctivit"a. Find out safety "recautions by

accom"lishing the chec*list belo&.

,l&ays Sometimes 8ever

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1. urn off the stove and gas tan* after coo*ing.2. Carefully read labels of chemicals li*e medicines!

insecticides! and "esticides before using them.3. 9eturn "oisonous and flammable materials to their

"ro"er "lace after use.4. (ash and change clothes after handling to;ic orharmful substances.

5. andle glass &ares &ith care.

). 'iscussion

a. 1. %iscuss the ans&ers of the "u"ils on the chec*list they had Austaccom"lished es"ecially if their ans&ers are SO0E I0ES and 8EVE9.

2. o over the items one by one and discuss &hy these items should be observed in using materials.J (hat are some reminders in storing materials)J Outline the "recautionary measures in using and in storing

materials follo&ing the table belo&.Safet" !recautions on the use of

(aterialsSafet" !recautions on the storage

of (aterials

Inform the class that "ro"er storage and usage of materials athome lead to a safe life. ell them to relate the statement =,n ounce of "revention is better than a "ound of cure.?

b. 9ead "ages 131# 134 of =Into the Future Science and ealth? and 12$#12G of =Science and ealth 6.?J (hat materials are stored in metals &ith covers)J (hat materials are stored in cartoons) lass containers) %ar*!

colored containers)J (hat &arning symbols are used to indicate the content of the

container)

J ive e;am"les of each "oisonous! e;"losives! radioactive andinflammable materials)

*. +enerali,ation(hat safety "recautions must be observed in the use and storage of materials)

'. !!lication

rou" the "u"ils for a s*it "resentation. Instruct them to hold a brainstormingsession to tal* about the to"ic they ll "resent. ive them some guidelines in "resenting the s*it. ive them also the criteria on Audging the s*it. o"ics mustfocus on ho& to use and store materials at home.

I-. valuationive five "recautionary measures in handling and storing household materials.

-. ssign(ent(hy are acids stored in glass containers rather than in "lastics)

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S / T6 M SUR S I2 TH US O/ M T RI LS

1. Form the habit of reading instructions on containers of "roducts li*e medicine chemicals!canned goods! etc. be a&are of their e;"iration dates.

2. /rotect your hands by &earing gloves &hen using strong detergents and acids es"ecially ifyour s*in is sensitive.

3. Flammable materials li*e matches and gasoline must be *e"t out of reach of children afterusing.

4. (ear a mas*! gloves! and goggles and face against the &ind &hen s"raying chemicals orinsecticides.

5. a*e only medicines "rescribed by a "hysician.

6. %on t taste materials that are not familiar to you.

PROP R STOR + O/ M T RI LS

1. here should be a "lace to store each *ind of material. 0aterials that contain harmfulchemicals must be *e"t in loc*ed cabinets.

2. 0aterials should be classified accordingly. Ingredients for food "re"aration! medicines!cleaning materials! and detergents must be stored se"arately.

3. /utting labels on containers of materials &ill hel" you in getting the right material you &ouldli*e to use. /lace the symbol of "oison on the container of "oisonous materials.

4. Inflammable or combustible materials li*e *erosene! gasoline! gas! oil! thinner! and "etroleum must be *e"t far from stoves. Close the container tightly after using. ee" matchesout of reach of children.

5. et rid of e;"ired medicines and other materials. hey are not effective anymore.

I. Objectives1. Observe safety "recautions in dis"osing &aste materials2. /ractice "recautionary measures in dis"osing household materials

II. Subject Matter: Pro!er 'is!osal of 1astes

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References: BEC III.4Into the Future Science and ealth! "". 136# 13H

Materials: Cut#outs of &aste materials

Science Ideas:1. (aste is any material that is no longer useable and is thro&n a&ay.

2. arbage segregation schemes and recycling are some &ays of dis"osing&astes "ro"erly.

3. Biodegradable materials are &astes that can decay through the action of bacteria! fungi! and sunlight.

4. 8on#biodegradable materials are those that do not decay or do not easilydecom"ose.

Science Processes: Classifying &aste materials! describing &ays of "ro"er &astedis"osal.



#. Revie$ive five "recautionary measures in handling or using materials and fivemeasures in storing materials.(hy are these "recautionary measures im"ortant)

%. Motivation,s*' 1. (hat materials are considered &astes and should be dis"osed of)

2. =(hat ty"e of toilet do you use at home)?3. o& do you maintain cleanliness of your comfort room)4. %iscuss the im"ortance of having a clean comfort room.5. (hat do you thin* &ill ha""en if &e defecate Aust any&here)


#. ctivit" a1. >nloc* the terms biodegradable and non#biodegradable. Inform the class

that these are the t&o classifications of &aste materials and dis"osing themde"ends on the classification of the &aste material.

2. Classify the cut#outs of &aste materials into biodegradable and non# biodegradable in a "lanner board.

J (hat materials are classified biodegradable and non#biodegradable)

J (hy are these materials in this classification)ctivit" b

2O25&IO' +R ' &L0etal cans items returned to theBottles factory for Cardboard bo;es recycling/lastic "roducts fine crafts

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0etal scra"s

&IO' +R ' &Litchen &astes animal feed

arden &astes fertili@er /a"er and shellsuman Q animal &astes biogas fuel

J o& are biodegradable and non#biodegradable materials recycled)J Cite the ste"s in ma*ing a com"ost "it for biodegradable &aste.J E;"lain ho& biogas is derived from human and animal &astes.

+et them infer that "ro"er dis"osal of &aste materials bring safeand clean environment.

ctivit" c9ead Com"ost /it "age 13G#13H Into the Future: Science and Health

*. +enerali,ation(hat &ays should be em"loyed to ensure "ro"er dis"osal of &aste materials)

'. !!lication1. %iscuss &hat your family is doing to reduce the volume of &astes in your home.

2. Chec* -R the "ractices &hich are "ro"er in &aste dis"osal. 1. /ut all *inds of &aste together in a "lastic bag. 2. 9etain labels on their containers before "utting them in the trash. 3. %rain e;"ired li


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Science and echnology 1 "". 45#4Heneral Science 1! "". 1G#22Science for %aily >se 6! ". 1 H

Materials: glass of &ater! teas"oon! calamansi! food coloring! glass slide! microsco"e!

marbles! sand! balloon! needle! "lastic stra&sScience Ideas:

, molecule is the smallest "article of a substance that can e;ist and still have thechemical "ro"erties of that substance.

he molecular theory e;"lains the com"osition and behavior of matter. It consistsof the follo&ing ideas'

1. ,ll matter is made u" of molecules.2. here are s"aces bet&een molecules.

3. 0olecules are constantly moving.4. 0olecules attract one another.

Science Processes: Observing! identifying! com"aring


#. Revie$(hat is matter) (hat are e;am"les of matter)

#. Motivation-Sho& a glass of &ater as*' (hat is this)-Sho& a teas"oonful of &ater as*' (hat is this)-Sho& a small dro" of &ater as*' Is this still &ater) (hy)


Crush a grain of sugar &ith the bac* of a s"oon.J %id it change into tiny "articles)

# /lace one tiny "article of sugar on the bac* of your hand.# 9ub it until you can no longer see it.# /lace the ti" of your tongue on the bac* of your hand.

J %o you taste sugar)J (hat does this sho&)

ctivit" b1. /ut a fe& dro"s of calamansi Auice into a glass of &ater.

J o& &ill the &ater taste almost immediately) (hy)

2. ,dd a "inch of food coloring to a glass of &ater.J (hat ha""ens) (hy)J (hat do &e call the "rocess by &hich molecules of a substance s"read

throughout a medium or a containing vessel)3. a. /ut a dro" of &ater on a glass slide.

b. /ut tiny solid "articles -such as chal* dust! &ood ashes! "ollen grainson the dro" of &ater.

c. /ut a cover sli" and e;amine under the microsco"e.J (hat do you observe)J (hat do &e call this "eculiar! @ig@ag movement of "articles)J (hat do these tell about molecules)

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ctivit" c1. Fill a glass &ith marbles until you cannot add more. hen "our grains of

sand into the same container.J (hy can the glass container accommodate the sand &hen it cannot

accommodate marbles)2. Fill a glass &ith as much &ater as it can hold. hen gently dro" a fe&

grains of sand or sugar into the &ater.J %oes the &ater s"ill) (hy)J (hat does this "rove about molecules)

3. a. Blo& a balloon. b. Com"ress the air at only one end of the balloon)

J Can air be com"ressed) (hy)

ctivit" d1. a. Fill a test tube &ith &ater.

b. >sing a medicine dro""er! carefully add a fe& more dro"s before the&ater s"ills.J (hat is the sha"e -side vie& of the &ater surface above the brim

of the test tube)J (hat do you thin* "revents the &ater from s"illing)

2. a. /ut &ater in the glass. b. ently "lace a dry needle hori@ontally on the surface of the &ater.

J %oes the needle float or sin*) (hy)J (hat do &e call the condition in &hich the surface behaves as

though it &ere being stretched)

%ro" a small amount of detergent on one corner of the &ater.J (hat ha""ens to the needle) (hy)

3. a. /ut colored &ater in a small basin or any &ide#mouthed trans"arentcontainer.

b. %i" three "ieces of glass tubings or "lastic stra& of different diameters but of the same length "laced in cardboard &ith holes on to" of thecontainer.J Observe the &ater that enters the stra&.J o& high does the &ater rice in tube no. 1) ube no. 2) ube no.

3) (hy)J On &hat factor does the height of the &ater in the tubes de"end)J (hat is the rising of a li


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I-. valuation,ns&er briefly.

1. (hat is the smallest "article of a substance that can e;ist and still have thechemical "ro"erties of that substance)

2#5' State &hat ideas of the molecular theory e;"lains the com"osition and

behavior of matter.2. a &ater strider can "lay and &al* on the surface of the &ater -molecular attractone another

3. you taste something s&eet on your "alm even if you can t no longer see any "article of sugar -all matter is made u" of molecules

4. a glass of &ater &ill taste sour almost immediately &hen you "ut a fe& dro"s ofcalamansi Auice into it. -molecules are constantly moving

5. a test tube filled &ith &ater can still hold a fe& grains of sand &ithout s"illing the&ater. -there are s"aces bet&een molecules

rue of False

6. a tiny dro"s of &ater consists of billions of molecules of &ater. -$. he motion of molecules is fastest in solids and slo&est in gases -FG. Intermolecular s"aces are &idest in gases and smallest in solids. -H. Intermolecular attraction is greatest in solids and &ea*est in gases. -1 . ,dhesion is the attraction bet&een the same *ind of molecules &hile cohesion

refers to the attraction bet&een t&o different *inds of molecules. -F

-. ssign(ent/lace a "echay "lant 7 leaf in a bottle filled &ith colored &ater. Set it aside

"referably under sunlight. ,fter some time! trace the "ath of the colored &ater. o& fardoes the colored &ater go into the "lant) %oes it reach the leaves)

S*etch the cross section of the stem 7 leaf stal* to sho& the distribution of theveins.

I. ObjectivesCite evidences that matter is made of "articles

II. Subject Matter: to(s

References: Science and ealth 6! "". 136#13$Science for %aily >se 6! ". 1 H

3H


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J o& many atoms altogether are there in one molecule of sim"lesugar)

J o& is sim"le sugar re"resented)

2. Study the models of different atoms on ". 13$! Science and ealth 6

Fill u" the table 1'/articles 8o. of /rotons Electrons 8eutrons

ydrogen ,tom

Carbon ,tom

8itrogen ,tom

able 2'/article Charge +ocation

electron -e negative -# surrounding the nucleus "roton -" "ositive - inside the nucleusneutron -n neutral -o inside the nucleus

J (hat are the "arts of an atom) (hat are their charges) +ocation)J (hy is it that the &hole atom has no charge)J (hy don t "rotons attract electrons right into the nucleus)J (hat *ee"s these electrons in their orbits so that the atom does not lose

them)J (hat can you say about the number of "rotons and electrons in an atom)he number of "rotons and neutrons in an atom)

J (hat can you say about the number of "rotons and electrons in an atom)he number of "rotons and neutrons in an atom)

ctivit" cStudy the diagram'J o& many atoms does one molecule of &ater consists of)

1. (hat are these atoms) o& many)o& do &e &rite &ater)

J o& many atoms does one molecule of o;ygen gas consists) o&is o;ygen gas re"resented)J o& many atoms does one molecule of carbon dio;ide have)

(hat are these) o& many)J o& is carbon dio;ide &ritten or &hat is its chemical formula)

*. +enerali,ation(hat are the tiniest "articles that ma*e u" molecules)(hat are the "arts of an atom)

'. !!lication

(hy is &ater sometimes &ritten as 2O)(hy is carbon dio;ide re"resented as CO2)I-. valuation

,ns&er briefly.1. (hat are the tiniest "articles that ma*e u" molecules)2. (hat "articles of an atom has a "ositive charge)3. (hat "articles of an atom has no net charge)4. (hich "article of an atom has a negative charge)

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5. (here are electrons located)6. (here can "rotons be found)$. o& is sim"le sugar re"resented 7 &hat is its chemical formula)G. o& many atoms are there in one molecule of &ater)H.

1 . (hat *ee"s the electrons in their orbits)

-. ssign(ent1. %ra& the "arts of an atom.2. Illustrate the elements and number of atoms of the follo&ing'

a. &ater b. carbon dio;idec. o;ygen

I. ObjectivesCite evidences that matter is made u" of elements and com"ounds

II. Subject Matter: le(ents and *o(!ounds

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References: Science and ealth 6! "". 132#133Integrated Science 1! "". 31#4H

Materials: diagrams! "ins! di"s! glass Aar

Science Ideas:Elements are substances that consists of one *ind of atom. It cannot be bro*endo&n into sim"ler substances by ordinary chemical means.

Com"ounds are substances made u" of t&o or more elements combinedchemically.

0i;tures contain t&o or more substances "ut together but not chemicallycombined. he substances in a mi;ture retain their "ro"erties and do not form a ne&substance.

Science Processes: Observing! identifying! classifying! com"aring


#. Revie$Chec*ing of assignment.

%. Motivation(hat do you observe about the different obAects such as chal*! shells!

corals! roc*s and others) (hat are their similarities and differences)


Study the table

%iatomic molecules 0onatomic molecules

J ,n element is a substance &hich is com"osed of only one *ind of atoms.O;ygen gas and hydrogen gas have molecular com"osed of t&o atoms each.Such molecules are said to be diatomic -di#stands for t&o . 0ost elementshave only one atom "er molecule &hich are said to be monatomic -mono#meaning one .

J E;am"le of diatomic molecules'Element 0oleculeydrogen 2

8itrogen 82O;ygen O2

43

1 molecule ofo;ygen or 2 atomsof o;ygen

1 molecule ofhydrogen or 2atoms of hydrogen

1 atom of carbonor 1 molecule ofcarbon

1 atom ofaluminum or 1molecule ofaluminum

o o C ,1


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J E;am"les of monatomic moleculesElement 0oleculesIron Fe,rgon ,r elium e

8eon 8eold ,uCarbon CCo""er CuSilver ,gCalcium CaSodium 8aChlorine Cl

J (hat are elements)J (hat are diatomic molecules) 0onatomic molecules)

,ctivity b -done a day or t&o ahead1. 9ub the metal obAects such as "ins! cli"s or nails &ith sand"a"er until

shiny. 9inse them &ith vinegar then &ith running &ater.# /ut the obAects in a glass Aar &hile still dri""ing &et.# Cover the bottle to *ee" the obAects from drying.# Set the glass Aar aside for a day or t&o.# %escribe &hat ha""en to the metal obAects.

J (hat ha""ened to the metal obAects)J (hat is rust)J o& is it formed)

2. Study the follo&ing e;am"les of com"oundsydrogen o;ygen &ater 2 "arts 1 "art 2O or 1 molecule of &ater

Carbon o;ygen Carbon 0ono;ide -a "oisonous gas1 "art 1 "art CO

Carbon o;ygen Carbon dio;ide1 "art 2 "arts CO2

J ,ll these have o;ygen stro&s! yet they are different from one another because o;ygen is combined &ith different elements and in varyingamounts.

3. Study the table'Com"ound Chemical Formula Chemical 8ame,lcohol C2 5O ethyl alcohol,mmonia 8 3 sodium bicarbonateBa*ing soda 8a CO3 sodium bicarbonate+imestone CaCO3 Calcium carbonateSand SiO2 silicon dio;ideCable salt 8aCl sodium Chlorideable sugar C12 22O11 sucroseVinegar C 3COO acetic acid

J (hat elements com"ose each com"ound)J In &hat "ro"ortion are these elements combined)

*. +enerali,ation

44


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(hat are elements) (hat are com"ounds)

'. !!lication-/u"ils "ic* out 1 rolled "a"er &here elements and com"ounds are&ritten. +et children read and then classify them into elements or com"ounds.

I-. valuationClassify each of the follo&ing into element or com"ound

1. nitrogen2. sulfuric acid3. rust4. iron5. &ater 6. hydrogen$. starchG. alcoholH. carbon1 . table salt

-. ssign(ent+ist ten elements and ten com"ounds in your noteboo* &ith their corres"onding

chemical formula.

I. Objectives1. Cite evidences that matter is made u" of "articles2. Construct a model of solid! li


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References: Science and ealth 6! "". 134#135Into the Future' Science and ealth 6! "". 141#142Science and echnology 1! "". 3 #32Science and echnology 1! "". 42#43

Materials: diagram! mongo seeds! matchbo;es! ice! bea*er

Science Ideas:, material may be solid! li


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1. /ut ice in a bea*er.J (hat do you observe after sometime)

2. Boil the &ater. Observe.J (hat changes ha""ened) (hy)J o& is &ater found in nature in three "hases)

*. +enerali,ation(hat are the "hases of matter) o& are their molecules arranged)

'. !!lication1. o& do you *no& that your mother is coo*ing adobo)2. (hat is +/ ) o& does it turn to gas)

I-. valuation,. 9ead and &rite the letter of the correct ans&er.

1. o& are "articles in a bloc* of &ood arranged)a. far a"art b. very far a"artc. very! very far a"artd. closely "ac*ed together

2. (hich of the follo&ing illustrations is the model of li


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Identify t&o characteristics of matter. E;"lain ho& each characteristic is de"endent onthe arrangement of the molecules of matter.

4G


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I. Objectives1. Identify the forms of energy2. %escribe the t&o *inds of energy

II. Subject Matter : /or(s of nerg"

References1. Into the Future' Science and ealth VI! "". 146#152. Science and ealth VI! ". 1453. 9BEC IV

Materials1. boo*s2. "ictures of different sources of energy

Science *once!t1. here are different forms of energy. hey are chemical! mechanical! round electrical!radiant and nuclear energy.

2. he t&o *inds of energy are "otential and *inetic energy.

Science Processes1. identifying2. describing3. classifying4. generali@ing

III. 'evelo!(ental ctivities. Pre!aration

1. ,s*'(hat enables you to move something) (hen do you say you have donesome &or*)

2. %efine energy.

&. Presentation1. Sho& them "ictures of different sources of energy. ave them identify each

"icture.2. rou" the "u"ils into five grou"s and have them do ,ctivity 4.1 on "age 14$.

ave them observe &hat ha""ens as they do the activity.

*. 'iscussion1. ,s*


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2. bulb3. ;#ray4. sunlight5. rice

I-. valuation,. Identify each form of energy described under Column B by matching them &ith the

forms of energy under Column ,. (rite only the letter before each number.

, B1. chemical energy ,. Energy from glo&ing heat source and

radiant in all directions.2.mechanical energy B. Energy stored in matter.

3. sound energy C. Energy "roduced by moving electrons.

4. electrical energy %. Energy "ossessed by moving body.5. radiant energy E. Energy comes from either s"litting or

combining "articles found in the nucleus.6. nuclear energy he energy "roduced by vibrating obAect

B. Classify the follo&ing obAects listed as *inetic or "otential energy.1. still &ater behind a dam2. a stic* of dynamite3. a ball is dro""ed from the to" of building

-. ssign(entIdentify the form of energy used for each activity. Com"lete the table.

,ctivity Form of Energy,. Burning "ieces of "a"er B. 0a*ing bulbs glo&C. /laying guitar %. 9ubbing t&o stones together

E. (hen an atom s"lits into "arts


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Activity 4.1 Forms of energy

Activity A1. Light a matchstick.2. Let it burn for a while.

a. What kind of change occurred when the matchstick burned?b. What energy was given o by the burning matchstick?

Activity B1. Place a toy car on the oor.2. Push it to a desired direction.

a. What made the car move?b. What kind of energy was used to move the toy car?

Activity C1. trike a tuning fork hard against the edge of a wooden table several

times.2. !bserve what ha""ens to the tuning "ork.a. What was "roduced when the tuning "ork struck the edge of

the table?b. Why do you think this ha""ened?

Activity D1. Put the comb near #but not touching$ small bits of "a"er on the

table. !bserve what ha""ens to the "a"ers.2. %ub the comb on a annel in the same direction several times. &hen

bring the comb near the "a"er again.'. !bserve what ha""ens to the bits of "a"er this time.

Activity E1. Light an alcohol lam" or a bunsen burner.2. (old your hands over the ame but be careful not to touch the lam"

or ame.a. What did you feel?b. What kind of energy is released by the ame?


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I. O&8 *TI- S: %escribe ho& chemical energy is formed and used Cite e;am"les of chemical energy

II. . Subject Matter:*he(ical nerg" and its Uses

&. References:1. Into the Future' Science and ealth VI! "". 151#1532. Science and ealth VI! "". 145#1463. BEC /E+C IV! 1.1

*. Materials:1. , covered carbonated soft drin*! a can o"ener! sulfuric acid! goggles! medicine

dro""er! marble chi"s

2. ,l*aselt@er tablet! candle! match! glass of &ater 3. %iagram illustrating solar energy being tra""ed by a green "lant

Science Ideas:1. Chemical energy is "rimarily formed by "hotosynthesis in green "lants. It is also

formed through the o;idation of food in the body! burning fossils fuels andcombining chemicals li*e acids! &ater! o;ygen and other substances.

2. he stored chemical energy of an obAect is released &hen it undergoes chemicalchange.

Science Processes:

%escribing! identifying

III. L R2I2+ *TI-ITI S. Pre!arator" ctivities

#. Revie$: (hat is "otential energy) *inetic energy) ive e;am"les of each)

%. Motivation (hat ha""ens to solar energy during the "rocess of "hotosynthesis)

&. 'evelo!(ental ctivities#. ctivit" #: *he(ical nerg" in Medicinea. Fill T of the glass &ith &ater. b. %ro" an ,l*aselt@er tablet in a glass of &ater.c. Observe

J (hat &ere formed in the &ater)J %o you hear some sounds)J (hat do these bubbles and sounds indicate)J o& did the tablet move) (hy)

ctivit" %: Reaction of Sulfuric cid $ith Marble 91ear goggles

for !rotectiona. et several marble chi"s. b. >sing a medicine dro""er! "lace a fe& dro"s of sulfuric acid on the marble

chi"s.

c. Observe ho& the acid acts on the marble chi"s.J %o you see tiny bubbles forming)J %o you hear some sound)


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I. O&8 *TI- S: %escribe ho& mechanical energy is formed and used

II. . Subject Matter:

Mechanical nerg" and its Uses

&. References:Into the Future' Science and ealth 6! 0! "". H3#H5U M "". 152#153 9BEC IV.1.2.E;cel in Science! ( ! "". 64Science for %aily >se 6! ". 11$#11GScience and ealth 6. ". 14$Into the Future' Science and ealth 6! "". 152#153

*. Materials:

Bicycle! door! hammer! "a"er! any obAect! bottle cover Science *once!t:

0echanical energy is the energy that enables our muscles and machines to do&or*.0echanical energy is formed &ith the use of engines or motors that can do &or* by using the energy coming from burning fossil fuels or other sources of energy.

0echanical energy is used to run motor vehicles! home a""liances! and othermachines.

Science Processes:

Identifying! describing7 "o"sicle stic*! rubber bands


#. Revie$:Chemical energy and its uses.

%. Motivation (hen you s&ee" the floor! &ash your clothes or carry fire&ood! &hat *ind of

energy do you use)

(hat machines are used to ma*e &or* easier)&. 'evelo!(ental ctivities

#. Presentation: 9ead the "aragra"hs

%. ctivities:a. %o activity 4.3! 0a*ing (heels urn! Into the Future ! ". 152

b. 1. O"en and close the door 2. ammer a nail on a "iece of &ood

3. +ift any obAect4. Cut a "iece of "a"er.5. 0ove the table

c. et a glass of &ater and ma*e a "in&heel. /our the &ater over the "in&heel.


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d. urn the "edal of the bicycle.). 'iscussion:

a. (hat ha""ens to the other cover) (hat *ind of energy do the &heelshave)

b. 1. (hat *ind of movement &ere used in doing the different activities)

2. (hat is the first energy that &as used in each activity)3. %escribe ho& &or* &as done in the different activities.c. (hat ha""ens &hen you "our a glass of &ater over the "in&heel)d. 1. (hat ha""ens to the &heels of the bicycle as you ste" do&n&ard on

the "edal)2. ,s you move the "edal u" and do&n! &hat other "arts of the bicycle

move)3. (hen is mechanical energy "roduced)

*. +enerali,ation ' (hat is mechanical energy) o& is it formed and used)

'. !!lication:(hat "rovides the needed mechanical energy in order to ma*e the follo&ing do&or*)1. bicycle 6. *ite2. sailboat $. &indmills3. *alesa G. softball4. bo&ling "ins H. s*ateboard5. generator 1 . can o"ener

I-. -LU TIO2:I. (rite the letter of the materials &hich sho& mechanical energy.a. flat iron d. rice thresher b. radio e. &ater "um" in usec. electric fan f. flying bird

h. electric coconut grater

II. (rite the letter of the correct ans&er.1. (hen can you tell that a moving body has energy)

a. Because a moving body doesn t change its direction b. Because moving body has s"ecific directionc. Because a moving body sto"s &hen there is no more force to move it.d. Because a moving body can do some &or*.

2. (hich of the follo&ing "ossesses mechanical energy)a. moving "ro"eller of an air"lane b. glo&ing flame that s"reads in all directionsc. vibrating obAectsd. s"litting or combining "articles found in the nucleus.

3. (hat is mechanical energy)a. energy stored in matter b. energy "roduced moving electronsc. energy "ossessed by a moving bodyd. energy generated from the interior of the earth.

-. SSI+2M 2T: ive other e;am"les of a""liances that sho& mechanical energy.


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I. O&8 *TI- S: %escribe ho& electrical energy is formed and used

II. . Subject Matter:lectrical nerg" and its Uses

&. References:Into the Future' Science and ealth 6! "". 154#156 M! 0! "". H$#HGScience and ealth 6! M! "". 15E;cel in Science ( ! ". 66Science for %aily >se 6! "". 11H#121

*. Materials:Electric fan! lam"! flat iron! bell! radio! flashlight! 2 dry cells! co""er and @inc

stri"! co""er &ire! light bulb! dilute sulfuric acid! glass Aar Science *once!t:

Electricity is the energy of electrons flo&ing through conductors li*e co""er andaluminum.

Electrical energy is generatedo& is mechanical energy generated in a car)a. through movement of "iston b. through the &ater found in fossil fuels.c. through sunlight absorbed by the car.d. through the o;idation of fossil fuels.

hrough hydroelectric or nuclear "o&er "lants. Electrical energy is used to light our homes and run our home a""liances.

Science Processes:%escribing! enumerating! demonstrating


#. Revie$: 0echanical energy

%. Motivation Can you live a convenient life &ithout lights! oven! &ashing machine!

television sets and other a""liances) o& do sounds and "ictures reach youfrom the radio or V station)

&. 'evelo!(ental ctivities#. Presentation:

9ead the te;t.

%. ctivities:

a. /lug the electric fan and s&itch it on. %o the same to the electric lam"! flatiron! bell and radio.

b. 1. et a flashlight. S&itch it on2. Insert 2 dry cells "ro"erly and turn on the flashlight.3. /ut dry cells in a "ortable radio. urn on the radio.4. 9emove the dry cells from the radio. S&itch on the radio.


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c. %o investigate!Science and Health 6 ! ". 15). 'iscussion

a. (hat &as "roduced &hen the follo&ing &ere s&itched on)Electric fan

Electric lam" Electric flat iron 9adio Electric bell

(hat conversion is needed in these a""liances in order to do &or*)

b. 1. (hat ha""ens &hen you s&itched on the flashlight)2. (as light "roduced) o&)3. %id you hear any sound) (hy)4. (as the radio able to "roduce sound Aust li*e in ste" 3) (hy)

c. (hat ha""ens to the light bulb)*. +enerali,ation '

(hat is electrical energy) o& is it formed and used)

'. !!lication:o& do &e use electrical energy at home)

(hat are some &ays of conserving electrical energy)

I-. -LU TIO2:

9ead and &rite the letter of the correct ans&er.1. (hat form of energy does a lighted lam" "ossess)a. chemical b. electricalc. mechanicald. radiant

2. (hat is electrical energy)a. energy stored in matter b. energy "roduced by a vibrating obAectc. energy "roduced by moving electrons.

d. energy generated from the interior of the earth.3. (hich "lant or factory does not generate electicity)

a. green "lant b. geothermal "lantc. hydroelectric "lantd. nuclear "o&er "lant

4. (hich of the follo&ing generates electricity)a. television b. generator c. refrigerator d. &ashing machine

5. (hen gasoline is burned in a car engine! &hat energy is generated)a. light b. nuclear c. chemicald. mechanical


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6. (hich of the follo&ing uses electrical energy)a. flat iron b. neon bulb

c. food mi;er d. all of these

$. (hy is electrical energy very useful in our homes)a. It is chea" b. It is convenient to usec. It is easy to obtaind. It hel"s do &or* easier and faster.

-. SSI+2M 2T:

0a*e a list of the uses of electricity. %escribe &hat could ha""en if electricity &as shut off for 24 hours in the city in thefollo&ing.

o trans"ort systemo hos"ital


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d. S&itch on the flashlight. Observe the direction of the energy from theflashlight.

e. 9ead te;t

). 'iscussion

a. 1. (hat ha""ened to the bond "a"er)2. (hy did this ha""en) o& did radiant energy travel)3. (hat forms of radiant energy are given off by the sun)

b. (hat did you feel &hen you "laced your hand over a glo&ingcharcoal) (hy)

c. 1. (hat &as the condition of the room before and after the candle&as lighted)

2. Can you see things better &hen the candle &as lit)3. (hat made you see the things around better)4. In &hich "art of the room did the light s"read out)

5. (hat did you observe &hen you "laced your hand over the flame)6. o& did you feel the energy from the flame as you moved yourhand farther and farther a&ay)

$. (hat other form of energy &as "roduced by the flame)d. (hat energy &as "roduced by the flashlight)e. 1. (hat are the different forms of radiant energy)

2. o& is radiant energy used)

*. +enerali,ation ' (hat is radiant energy) (hat are the different forms of radiant energy) o& is

radiant energy used)

'. !!lication:1. he follo&ing are forms of radiant energy. Chec* the item if it is an a""lication of

the "articular form of radiant energy. /ut an M if not.

a. radio &ave1. heating of food2. radio communication3. treating cancer 4. medicine5. television

b. ultraviolet rays1. hel"s in "roducing vitamin % in our body2. nuclear structure research3. hill germs4. "hotosynthesis5. guide missiles

c. infrared rays1. source of heat2. vision3. communication4. guide missiles5. study land contour

d. visible light1. vision2. "hotogra"hy3. coo*ing


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6. o& is radiant energy used in medicine)a. It is used to dry clothes b. It is used to "ressure fruitsc. It is used to disinfect beddings

d. It is used to destroy abnormal cells in the body$. (hat *ind of energy is used to disinfect our beddings)

a. radiant b. electricalc. nuclear d. mechanical

-. SSI+2M 2T:Fill u" the table.

Form of 9adiant Energy >ses1.2.3.4.5.6.


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I. O&8 *TI- S:

%escribe nuclear energy and its uses

II. . Subject Matter:2uclear nerg" and its Uses

&. References:Into the Future' Science and ealth 6! 0! "". 1 1#1 3! M! "". 15H#16Science and ealth 6! M! "". 152#153E;cel in Science ( ! ". 6G#6HScience for %aily >se 6! "". 125#126

BEC IV. 1.5! ". 21*. Materials:

Illustration! "ictures! dra&ings

Science *once!t: 8uclear energy is the energy stored in the central "art or nuclear of the atom. 8uclear fision and nuclear fusion. 8uclear fission is the brea*ing or s"litting of atomic nuclei of a heavy element

li*e uranium! thus "roducing substances of less mass releasing tremendous energyin the "rocess.

8uclear fission is the "rocess of combining atomic nuclei of light elements li*ehydrogen and lithium! thus "roducing elements of larger mass releasingtremendous energy as they crash into each other.

8uclear energy is used to "o&er submarines! satellites and aircraft carriers. Itenables them to travel over a long "eriod of time &ithout sto""ing to refuel.

9adiant energy is energy of electromagnetic &aves that travels through matter ors"ace to&ards all directions from the source.

Science Processes:

%escribing !e;"laining! inferring! identifying


#. Revie$: (hat is radiant energy) (hat are its different forms) o& is it used) (hat are atoms) (hat are the basic "articles of atoms)

%. Motivationa. ave you heard about our very o&n Bataan 8uclear /o&er /lant)

b. 9elate &hat ha""ened during the Chernobyl accident in 9ussia sometimein 1HG6#the harm done by this nuclear lea* to environment! animals! and "eo"le of Euro"e.


a. Study the illustration of the uranium.


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b. Sho& illustration on ho& nuclear energy is "roduces.c. 9ead te;t.

%. ctivities:a. 1. +et one domino tile stand vertically then fli" it &ith a finger.

2. Set all the domino files one after the another in a vertical column at adistance of 15 mm.3. Fli" the 1st domino tile so that it falls on the ne;t tile. Observe.

Observe the chart of a nuclear reaction. b. %ra& a diagram to sho& the "rocess of nuclear fission. Illustrate the

s"litting of nuclei and the energy released.c. Illustrate the idea of nuclear fusion. Sho& the combining of nuclei and the

releasing of energy.d. 9ead te;t

). 'iscussion

a. 1. (hat ha""ened to the domino tile &hen you fli""ed it)2. %id you hear any sound as it fell)3. Com"are the sound "roduced in


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c. through the combination of a heavier atom &ith a lighter atom.d. bath a and b

2. (hich of the follo&ing does not use nuclear energy)a. flo&ing ricefield b. "o&ering ricefield

c. "o&er and submarined. generation of electricity

3. (hy is nuclear fusion less harmful than nuclear fission)a. nuclear fusion can su""ly energy energy to homes. b. nuclear fusion has an abundant su""ly of radioactive &astes.c. 8uclear fusion "roduces very little radioactivity and less dangerous &aste

"roducts.d. 8one of the above.

4. (hy does the s"litting of atoms generate electricity)

a. It can "roduce light b. It can "roduce soundc. It has tremendous amounts of energy.d. It releases some "eculiar characteristics.

5. (hat form of energy comes from either s"litting or combining of "articles foundin the nucleus)

a. mechanical b. radiantc. electricald. sound

-. SSI+2M 2T: %ra& ho& nuclear energy is "roduced by nuclear fission and nuclear fusion. Fill in the blan*s.

1. S"litting and combining of atom can "roduce .2. is the energy "roduced from changes in nuclei! the small heavy

centers of atoms.3. By ! a heavy nucleus of radio active element s"lits in t&o and releases

neutrons &hich causes other nuclei to divide.4. is the continuing s"litting of atoms.5. he heat energy coming from the nuclear energy is used to heat &ater to form

steam &hich drives turbines to generate .


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I. O&8 *TI- S: %escribe sound energy and its uses

II. . Subject Matter:Sound nerg" and its Uses

&. References:Science and ealth 6! "". 14GScience and echnology! ". 6$

E;cel in Science! ". 65#66Science for %aily >se 6! "". 12$#12GBEC IV. 1.6! ". 21

*. Materials:uning for*! basin! drum! guitar! &ater! rubber band! bell! "ieces of "a"er

Science *once!t: Sound energy ma*es communication easy. Sound music gives us "leasure.

Science Processes:

Observing! describing! inferring


#. Revie$: 8uclear energy and its uses

%. Motivation (hat is the first sound that you hear &hen you &a*e u" in the morning) (hat

sounds do you hear in the street of a busy city and during ne& year)


a. um a song. Feel your nec* as you hum. %o you hear sound) %o you feelvibrations in your nec*)

%. ctivities:a. et a rubber band. Stretch the rubber band tight &ith your fingers. +et

your "artner "luc* the rubber band. Observe. b. Strum the guitar. Observe &hat ha""ens to the strings.c. Beat the drum. /lace some small "ieces of "a"er on it. Observe &hat

ha""ens to these "ieces of "a"er.d. Fill the basin &ith &ater. Stri*e the "rongs of the tuning for* then di"them into the &ater. Observe &hat ha""ens to the &ater. (hat does

this sho&)e. 9ing the bell. Feel its surface &hile it is ringing. (hat do you observe)

9ecord all your observations.

). 'iscussion


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,. 9ecord all your observations in the follo&ing chart.

0aterials observationa. rubber band b. guitar

c. drumd. tuning for* e. bell

a. 1. (hat &ere "roduced in the materials &hen you did the activities)2. (hy did the "ieces of "a"er move &hen you "laced them on the

drum)

*. +enerali,ation ' (hat is sound energy) o& is it formed and used)

'. !!lication:1. Can &e communicate effectively &ithout sound) Can &e enAoy music) o& doesgood music ma*e you feel)

2. Chec* the sentence &hich describes sound energy and its uses.a. ,ll vibrating obAects "roduce sound. b. Solids can be created in a vacuum.c. Sound can be created in a vacuum.d. Sound travels in &aves.e. Sound can be used for entertainment.f. (e use sound for communication.g. >ltrasound can be used to find detects in metals.

i. Sound travels in all directions. A. Sound can be measured in terms of units called meters.

I-. -LU TIO2: Fill in the blan*s.

1. Sound is "roduced &hen an obAect .2. Sound travels in .3. /eo"le use sound &hen they .4. energy is "roduced by vibrating bodies7 obAects.5. Sound travels faster in .

(rite if the statement is true. If false! ma*e the statement correct.6. Sound can travel through a vacuum.$. Sound travels faster in solids.G. Our daily communication consists mostly of sound.H. (hen an obAect is moving or has *inetic energy! it "roduces sound.1 . Sound travels to the ears in the form of &aves.

-. SSI+2M 2T: ,side from the bamboo cannon! &hat other devices are locally made to "roduce

sound to celebrate 8e& :ear) +evi Celerio is a 8ational artist for music. e "roduced musical tunes &ith rolledleaves. Find out from your elders if they can do the same. /erha"s you can tryrolling a bamboo leaf! tie the ti" in a *not and slo&ly blo& through it.


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I. Objectives1. E;"lain ho& the different forms of energy are formed and used

II. #. Subject Matter : Ho$ nerg" is /or(ed and Used

%. References:BEC /E+C V. 1.2 ".HInto the Future' Science and ealth 6! ". 161

). Materialschart

Science Ideas:1. %ifferent forms of energy are "roduced differently and have varied uses.

Science Processes:Observing! e;"laining! identifying

III.Procedure

. Preli(inar" ctivities

#. Revie$ (hat are the different forms of energy)

%. Motivation: (hat forms of energy do you use at home and in school)

&. Lesson Pro!er

#. ctivit" # 9ead the set of &ords in the bo;. Classify them under the follo&ing

headings.

Forms of Energy o& It Is Formed o& Is It >sed

J o& are the different forms of energy "roduced)J o& are they used)J (hich forms of energy are similar and ho& they are formed)J (hich forms of energy are similar and ho& they are used)J (hich forms of energy are commonly used at home)J (hich forms of energy are commonly used in factories)


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*. +enerali,ation o& are the different forms of energy formed and used)

'. !!lication /ic* out a "iece of "a"er &here the forms of energy are &ritten. ive s"ecific

e;am"les on ho& the energy is used.I-. valuation 0atch the forms of energy to ho& each is used.

a. for cam"fire 1. mechanical energy b. beat of the bars drum 2. radiant energyc. for running cars 3. electrical energyd. for ma*ing canned goods 4. sound energye. for su""lying "o&er to

refrigerators 5. chemical energy

-. ssign(ent+ist the different forms of energy! ho& they are formed! and ho& they are used.


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I. ObjectivesCite evidences that chemical energy change to other forms of energy

II. #. Subject Matter : Transfor(ation of *he(ical nerg" to Other /or(s ofnerg"

%. References:BEC /E+C V. 1.2! ".H

Science and ealth 6! "". 155#15$). Materials

dry cells! flashlight! battery#o"erated toy car! transistor radio! glass Aar!ammonium chloride! "otassium "ermangarate! @inc stri"! bulb! carbon rod

Science Ideas:1. Chemical energy can be transformed or converted to mechanical! electrical!

sound! heat and light energy.

Science Processes:Observing! mani"ulating7 e;"erimenting! identifying! e;"laining

III.Procedure

. Preli(inar" ctivities

#. Revie$ (hat are the different forms of energy) o& are they formed and

used)

%. Motivation: (hen you go to Boy Scout or irl Scout cam"ings! &hat do youusually build at night) (hat is used to build fire) (hat ha""ened&hen you burned the cho"s of &ood)

&. Lesson Pro!er

#. ctivit" a. et t&o dry cells and "ut them in the flashlight. b. urn on the s&itch.

J (hat energy is stored in the battery)

J (hat ha""ened &hen you s&itched on the flashlight)J (hat energy changes ha""ened)c. et the dry cells in the flashlight.d. ransfer them in the small transistor radio.e. une in the radio.

J (hat energy &as formed &hile turning on the radio)

ctivit" &

Documents

3rd Grading Science