Q10:Experimenting in 1511 Science SPM

7/30/2019 Q10:Experimenting in 1511 Science SPM

1/11GemilangWilayah_SainsSPM/sharinhanum Page 1

SPM SCIENCE MODULE : PAPER 2 SECTION C QUESTION 10 EXPERIMENTING

1. ANALYSIS OF QUESTIONYear Form/Chapter Section / part of question

2005 F4/Light, Colour and Sight Subtractions of light by coloured filter

2006 F4/Chemicals in Industry Difference of alloy and pure metal in corrosiveness

2007 F4/Chemicals in Industry Difference of alloy and pure metal in hardness

2008 F4/Matter and substances Difference of metal and non metal in electrical conductivity2009 F4/Light, Colour and Sight Focal length of a convex lens with a different thickness

2010 F5/Microorganism Effect of light on bacterial growth

2011 F5/Nutrition Effect of nutrient on growth of plant

2012 F5/Microorganism Effect of pH on bacterial growth

2. PRACTICAL TOPIC IN SYLLABUSForm/Chapter Related Question/experiment Remark

F4/body coordination -

F4/heredity and variation -F4/matter and substance 1. Physical properties of atomic,molecular and ionic substances

Melting point /electrical

conductivity

2. Physical properties of metals andnon metals

Ductility/malleability/tensile

strength/electrical

conductivity(2008) /heat

conductivity

3. Effect of impurities on boiling pointF4/energy and chemical changes 1. Exothermic and endothermic

reactions

2. Reactivity of metals With water/acid/oxygen3. Production of electricity by chemical

cell

F4/nuclear energy -

F4/light, colour and sight 1. Formation of imageconvexlens/concave/pin hole

Effect of object distance/size of pin

hole/number of pin hole/type of

lens/thickness of lens (2009)

2. Addition/substraction of lights Substraction (2005)F4/chemicals in industry 1. Compare the properties of alloy and

pure metal

Hardness/corrosiveness

(2006/2007)

F5/microorganism 1. Factors affect the growth ofmicroorganism

Nutrient/temperature/humidity

2010/2012

2. Effect of antibiotic on growth ofbacteria

F5/nutrition 1. Effect of nutrient deficiency 2003/2011F5/preservation and conservation -

F5/carbon compounds 1. Compare properties of naturalrubber and vulcanized rubber

Elasticity/ heat resistance or

melting point/ hardness

2. Coagulation of latex 2004F5/motion 1. Effect of mass on inertia

2. Effect of mass on momentum3. Effect of velocity on momentum


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4. Effect of surface area and pressure5. Effect of force on pressure6. Relationship between upthrust and

weight of liquid displaced

7. Relationship between speed of fluidand pressure

F5/food technology -

F5/synthetic material -

F5/electronics and ICT -

3. FOCUS TOPIC ON SELECTED EXPERIMENTI

(a) Suggest one hypothesis to investigate the above statement.Cadangkan satu hipotesis untuk menyiasat pernyataan di atas.

(b) Using distilled water, salt, beakers, measuring cylinder, Bunsen burner, tripod stand and other apparatus,describe an experiment to test your hypothesis in 10(a) based on the following criteria:

Dengan menggunakan air suling, garam, bikar, kelalang penyukat, penunu bunsen, tungku kaki tiga dan radas

lain, huraikan satu eksperimen untuk menguji hipotesis anda di 10(a) berdasarkan criteria berikut:

(i) Aim of the experiment [Tujuan eksperimen] 1m(ii) Identification of variables [pengenaalpastian pembolehubah] 2m(iii) List of apparatus and material [senarai radas dan bahan] 1m(iv)

Procedure or method [prosedur atau kaedah] 4m

(v) Tabulation of data [ penjadualan data] 1m

Answer

Aim : ____________________________________________________________________________________________.

Hypothesis : ______________________________________________________________________________________

Variables:

Manipulated : _____________________________________________.

Responding : _____________________________________________.

Constant : _____________________________________________.

Materials and Apparatus: 1. _____________________ 5. _______________________

2. _____________________ 6. _______________________

3. _____________________ 7. ______________________

4. _____________________

Distilled water has a lower boiling point compare to distilled water added with salt

OR

Impurities affect the boiling point of distilled water


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Procedure:

1. 100 cm3 of distilled water is put in the beaker2. The distilled water is heated until boiled3. The boiling point is measured using thermometer and recorded4. The experiment is repeated by using distilled water added with one spatula of salt

Tabulation of data:

II


(b) Using solid sodium hydroxide, solid ammonium chloride, distilled water, plastic cup, measuring cylinder,and other apparatus, describe an experiment to test your hypothesis in 10(a) based on the following criteria

Dengan menggunakan pepejal natrium hidroksida, pepejal ammonium klorida, air suling, cawan plastik, kelalang

penyukat, dan radas lain, huraikan satu eksperimen untuk menguji hipotesis anda di 10(a) berdasarkan criteria

berikut:

(i) Aim of the experiment [Tujuan eksperimen] 1m(ii) Identification of variables [pengenaalpastian pembolehubah] 2m(iii) List of apparatus and material [senarai radas dan bahan] 1m(iv) Procedure or method [prosedur atau kaedah] 4m(v) Tabulation of data [ penjadualan data] 1m

Answer

Aim : ____________________________________________________________________________________________.

Hypothesis : ______________________________________________________________________________________

Variables:

Manipulated : _____________________________________________.

Responding : _____________________________________________.

Constant : _____________________________________________.

Dissolving solid sodium hydroxide in water increase the temperature of the solution while

dissolving solid ammonium chloride in water decrease the temperature of the solution

Melarutkan pepejal natrium hidroksida dalam air meningkatkan suhu larutan manakala

melarutkan pepejal ammonium klorida dalam air menurunkan suhu larutan


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2. _____________________ 6. _______________________

3. _____________________ 7. ______________________

4. _____________________

Procedure:

1. 100 cm3 of distilled water is put in the plastic cup2. The initial temperature of water is measured and recorded3. One spatula of sodium hydroxide is added into the beaker. The solution is stirred4. The final temperature is measured using thermometer and recorded5. The experiment is repeated by using ammonium chloride to replace sodium hydroxide

Tabulation of data:

III


(b) Using magnesium powder, zinc powder, dilute hydrochloric acid, conical flask, rubber stopper with connectingwire, basin contain water and other apparatus, describe an experiment to test your hypothesis in 10(a) based on

the following criteria:

Dengan menggunakan serbuk magnesium, serbuk zink, asid hidroklorik cair, kelalang kon, penyumbat getah

dengan wayar penyambung, besen berisi air dan radas lain, huraikan satu eksperimen untuk menguji hipotesis

anda di 10(a) berdasarkan kriteria berikut:


Answer

Aim : ____________________________________________________________________________________________.

Different metals show different reactivity when react with dilute acid.

Logam-logam berlainan menunjukkan kereaktifan yang berlainan apabila bertindak balas dengan asid


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Hypothesis : ______________________________________________________________________________________

Variables:

Manipulated : _____________________________________________.

Responding : _____________________________________________.

Constant : _____________________________________________.


2. _____________________ 6. _______________________

3. _____________________ 7. ______________________

4. _____________________

Procedure:

1. 5 cm3 of dilute hydrochloric acid is poured into a conical flask.2. One spatula of magnesium powder is added into the conical flask containing acid.3. The apparatus is set up as shown below

4. The reactivity of magnesium react with dilute hydrochloric acid is observed.//[the amount of gas collected in themeasuring cylinder is measured]

5. The experiment is repeated by using zinc powder to replace magnesium powderTabulation of data:

IV


(b) Using a dilute hydrochloric acid, dilute sodium hydroxide, distilled water, nutrient broth, Bacillus subtillisbacteria culture, sterilized syringe, sterilized cotton wool and other apparatus, describe an experiment to test

your hypothesis in 10(a) based on the following criteria:

The growth of microorganism is depend on the pH value of the nutrient broth


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Dengan menggunakan asid hidroklorik cair, natrium hidroksida cair, air suling, bubur nutrient, kultur bacteria

basilus subtilis, kapas steril dan radas lain, huraikan satu eksperimen untuk menguji hipotesis anda di 10(a)

berdasarkan kriteria berikut:


Answer

Aim : ____________________________________________________________________________________________.

Hypothesis : ______________________________________________________________________________________

Variables:

Manipulated : _____________________________________________.

Responding : _____________________________________________.

Constant : _____________________________________________.


2. _____________________ 6. _______________________

3. _____________________ 7. ______________________

4. _____________________

Procedure:

1. 5 ml of nutrient broth is put into 3 sterile test tubes labeled A, B and C respectively2. 1 ml of bacillus subtilis bacteria culture is added into each test tube A, B and C.3. Test tube A is added with 1 ml of dilute hydrochloric acid, test tube B with 1 ml dilute sodium hydroxide and test tube C

with 1 ml distilled water

4. All test tube is covered using sterile cotton wool and kept in the cupboard for 3 days.5. The cloudiness of nutrient broth is observed after 3 days.

Tabulation of data:

V


Presence of antibiotic affect the growth of bacteria


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(b) Using a penicillin disc, distilled water disc, nutrient agar, Bacillus subtillis bacteria culture, sterile syringe,cellophane tape and other apparatus, describe an experiment to test your hypothesis in 10(a) based on the

following criteria:

Dengan menggunakan cakera penisilin, cakera air suling, agar-agar nutrient, kultur bacteria Basilus subtilis,

picagari steril, selotep dan radas lain, huraikan satu eksperimen untuk menguji hipotesis anda di 10(a)

berdasarkan kriteria berikut:


Answer

Aim : ____________________________________________________________________________________________.

Hypothesis : ______________________________________________________________________________________

Variables:

Manipulated : _____________________________________________.

Responding : _____________________________________________.

Constant : _____________________________________________.


2. _____________________ 6. _______________________

3. _____________________ 7. ______________________

4. _____________________

Procedure:

1. Two Petri dishes with nutrient agar are labelled A and B.2. 1 ml of bacterial culture is poured onto the nutrient agar in each Petri dish.3. A distilled water disc is placed on the surface of nutrient agar in Petri dish A as shown above.4. A penicillin disc is placed on the surface of nutrient agar in Petri dish B.5. All the two petri dishes are kept in a cupboard.6. After 4 days, observation on the growth of bacteria is recorded.// the size of clear area is measured.

Tabulation of data:


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VI


(b) Using ethanoic acid, ammonia solution, latex, beaker and other apparatus, describe an experiment to test yourhypothesis in 10(a) based on the following criteria:

Dengan menggunakan asid etanoik, larutan ammonia, lateks, bikar dan radas lain, huraikan satu eksperimen

untuk menguji hipotesis anda di 10(a) berdasarkan kriteria berikut:

(i) Aim of the experiment [Tujuan eksperimen] 1m(ii) Identification of variables [pengenalpastian pembolehubah] 2m(iii) List of apparatus and material [senarai radas dan bahan] 1m(iv) Procedure or method [prosedur atau kaedah] 4m(v) Tabulation of data [ penjadualan data] 1m

Answer

Aim : ____________________________________________________________________________________________.

Hypothesis : ______________________________________________________________________________________

Variables:

Manipulated : _____________________________________________.

Responding : _____________________________________________.

Constant : _____________________________________________.


2. _____________________

3. _____________________

4. _____________________

Procedure:

1. 20 cm 3 of latex is poured into a beaker.2. 5 cm3 of ethanoic acid is added into the latex.3. The mixture is strirred using glass rod.4. The condition of latex is observed.5. The experiment is repeated by using ammonia solution to replace ethanoic acid

Tabulation of data:

A rubber taper add formic acid to produce solid latex. When he added ammonia to the

latex, it remain in liquid form.


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VII


(b) Using trolleys, runaway, wooden block, plasticine and other apparatus, describe an experiment to test yourhypothesis in 10(a) based on the following criteria:

Dengan menggunakan troli, landasan, bongkah kayu, plastisin, dan radas lain, huraikan satu eksperimen untukmenguji hipotesis anda di 10(a) berdasarkan kriteria berikut:


Answer

Aim : ____________________________________________________________________________________________.

Hypothesis : ______________________________________________________________________________________

Variables:

Manipulated : _____________________________________________.

Responding : _____________________________________________.

Constant : _____________________________________________.


2. _____________________

3. _____________________

4. _____________________

Procedure:

Mass of the moving object affect its momentum OR

When a lorry hit a road divider the damage is more serious compared when it is hit by a car at

same speed


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Tabulation of data:

VIII


(b) Using a sharp nail, a blunt nail, 500 g weight and other apparatus, describe an experiment to test yourhypothesis in 10(a) based on the following criteria:

Dengan menggunakan paku tajam, paku tumpul, pemberat 500g dan radas lain, huraikan satu eksperimen

untuk menguji hipotesis anda di 10(a) berdasarkan kriteria berikut:


Answer

Aim : ____________________________________________________________________________________________.

Hypothesis : ______________________________________________________________________________________

Variables:

Manipulated : _____________________________________________.

Responding : _____________________________________________.

Constant : _____________________________________________.

Materials and Apparatus: 1. _____________________

2. _____________________

It is easier to knock a sharp nail into a plank as compared to a blunt one


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3. _____________________

4. _____________________

Procedure:

Tabulation of data:

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Q10:Experimenting in 1511 Science SPM