Science Bklt Jr3

8/2/2019 Science Bklt Jr3

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Fr'r* Lesson (2) Uses of energy , f'

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l.Energy is used to ...elecfricity. g

? Z.We use energy to .. computers , ref rigerotors ond troirS.*, | , J___&

f 3.There cne ... ... types of energy. $*s

g 4.computer, cors ond fro in need o sourc e of ....... to work. $

$ 4 Put (/'l or (:c): $*tg l.Energy is used to generate electricity. ( ) $f*g Z.We need energy to operote mochines. ( ) ffi$ -Ff4+ i."g 3.There is only one type of energy" ( ) $&'*

$4.Fuel, heot and electricity ore diff erent types of energy.

( ) tg 5.Computer, cors ond plone do not need o sour ce of energy to work $.i''*

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s1. Energy produced f ronn the wind is known os .". energy. 4-ff6' *,6*

Fr'.'ltr,Dn *a t^nltn nilln .-Ac,^ 'F-p?.We use ... power to rnoke rnills move"s."....rvyYvllvl|lLll\(/llllllJlllt-/v'ta"g

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$SWe use the kinetic energy produced from moving of mills to

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$ produce 'F+. ,__r $f 4"\Ne use electric enerqy to ... ....... mochines. S"t Jt,F

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ftr r.we use (wind-heot-sun) power to make mills move. **.Ff z.We use electri c energy to (produce-o?erate-generote) mochines. $fin

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$3.Energv produ ced f rom the wind is known os (fuel-solar-wind) t

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3" A solor heoter ce nverfs ....ene?gy into6*#f . ?'"\u'gY' ?.f 4. we use the ... ..... ond the ... to prod:lce energy. f",

g 5. We use the electrica! ene?gy pnoduced by solor heoten to &? vrtnlo n Sf ... woter.

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f electric al) ene?gy. fl.Ff

6 4.we use the electrical energy produced by solor heoter to *4*i

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sg 2....... oil rnust be refined into other products.fPgf

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Ig 6.We use oil to burn in power plants to moked_

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$ 7 .We use gosoline and die sel f or Whi le we L)se Getoplone $n fuel and oi! for $t,F$ z) Pur (4 or (x),

$f 1. Oil ond notural gas are found on the ground" ( \ 4+

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a+ Z.Waten ond plostic pens ere products of oil. ( ) $ff 3.6osoline is o product of oil. ( ) ?T | ---"- \ '' +.4k'$ 4.Plostlc bottles ond clothes are rnode f rom oil. ( ) F*'

1-f 5.We use gosoline ond d iesel f or plqnes. ( I ,FX"J\,,d-4* .r . , 4+

t 6.we use oil to burn in power plonts to moke electricity. ( ) 64"T.

T' 7 "we use oeroptone f uel ond o il f sr plones ond ships. () *+,'+; B.We usa oil to heot our houses. ( ) $.ab

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1. (Oil-food- clothes) and noturol gas are found under the ground.6

Z.Crude (oil-water-teo) must be refined into other products. g

3.(6asoline-woter-wind) is o product of oil" c'sB

4.We moke (woter-plostic bottles-food) f nom oil. *{"

5.Fertilizers, clothes and toothbrushes one mode f rom e(oil-wood-metol) $

6. W e produce electricity by (eooling-burn$ng- heating) oil ins

o. we Proouce etecTrtctry Dy [aooun9-Durnfln9-neqrrng) au tn f"&

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1,. We use gasoline and diesei for a. Planes and shlps.

2.we use oil to heat our b. electricity.

3.we use oil to burn in power plants

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used.

4.oil needs to be d. cars and trucks.

5.we use aeroplane fuel and oil for e. homes.

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*!r I lr\ I r i &'1- Lesson (6) Hen: i energy j $?:'fhf i-'*-

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1" We get hest through ... ond$*,i-

f 2. Heot is trqnsf erced f rom objact to ....... . .. ..obj eel. f?

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? 6. cooking pots ore mod e of ....... While their hondles ore $frr'fhf mode of ... #?,f-3 2) Put (/\ or (r): $$

1. Heot is frons f erced f rom cold ob"lects to hot objects. ( ) $*

$ Z.We get heat through the sun only. ( ) ,h

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3.fron ond cop per a?egood conductors of heot. ( ) $Sr.s 4.There one three type.s of heot conductors. ( ) #TtT

$ 5. Bad conductors of heat are moteriols thqt tronsf er heot wail. $:." *$ () rtr-@z

r 6.wood ond plostic ore bod conductors of heot. ( ) $s'*$ T.Cookino pots one mod e of oluminurn. ( ) #

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q- 8.The hondles of cooking pots ore rnad eof iron. ( ) $ih

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is o good conductor of heat.S

F?4.(Plastic -Copper-Iron) is o boC conductor of heot.tr&,$+5"Cooking

pots ore mod e of(wood-oluminum-plostic).

s$O.The hond les of cooking pots ore mod e af (iron-copper-

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2. Friction B. wood ond olostic.

3. 6ood conductors of heot C. heqt is tronsf erred fromhot to cold ob ieets.

4. Bqd conductors of heot D. iron , copper and

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&*.,e Lesson (7) Electric energy

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$ !) Complete:F

$ 1. We need electricity to opernte ... ......"".qnd ..............

s? ?....... is used to work computers ond heoters.&&1- 3....... is the obility to do energy.s

$ 4.Materiols that tronsfer heat are ... ond ...

ft ?\Dive reosons:r-

fff 1.Tha hqndles af cooking pots are rnode of wood.T*"**

F 2. Cooking pofs ere mode of oluminum.

"ffi'

*ssFtfTs"

*Fs15

ffsxs

f*?

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*'f *"#B'fi*f f f *f td'frf teFFttf f sttf frf'rsFf f f 6Fsf f'B i

.' :].:ii*|-::ia= :l:tlijr-':- :1ir.:=,1=;:::.:,1=,ji, :; *g ,;..--.,. . Reviaioh on'uhit'(4)",' l.. ,i ,'i,,:j;riiii,-r.-.jrd S4-'_j"otr'#t* -.^+f ,r

* ,,,tti;,:. r..ti iiilii.iri,,, l ',,: :ri':si-rrrr5=

4- .-. .-*..-,-*,^,**')b"eb#*# *;MH"'-".-4.@ *. -*'.*&*s

^#"

$ U Complete: $* 4 :-rt^- -L:t:r--r^ -,- f# 1. .. ". ... is the obility to do work. fft i.,â .a--!.,.t."-.--l-t^-. S'# 2. ... .".. gives Lis energy to study ond play.

S.Ats*^ ^^* â^n^" l^ *'g 3. We eot to get energy to F&

$ 5. Energy is used to ... .........electricity $

$ 6. We use energy to ... comput ers, ref rigerotors ond $&;e+ trorns.

+;*,

$ 7. There ore ... "..... types of enerqy. S'd'

e 8. Computer, ccrs ond troin need G sourc e, of to work. ?fs If-?

$ 9. Energy produeed f rom the wind is known os .".. enerqy.#

tr 10. We use ....".power ta rnoke rnills rnove. t1-" S

tr tL. We use the kinelic ene?gy produced from rnoving of mills to fTJT.

$ r'1::" $f t2. We use electr"ic energy te ... ....... mochines. i- J'

*

f 13. ......cnd notural gas are f ound under the ground. $&

$ A. ....... oil must be rzfined into other products. $*t#s

f 15. ........ond ...... a?e products of oil. #*# 16. Fertilizers, clothes ond toothbrushes sre mod e f rom *&,-'lvl|-r

$ t7. We use oil to our houses. $ o nil tn hr tnrt iv't r.r,.rr^rD,. ^lrr",

tF

f 18. We use oil to burn in powar plonts to rnoke ?

$ D. \Ne usegosoJine ond diesel f or ... "... Wh ile we use aeroplone $$ f uel ond oil for *

$20. We get heoi throu gh ... ...

ond?"Ff ?t. -leat is tronsf erred frorn object to ... ...obj ecl.$s

F ?2. We hove .... types of canductcrs. *-t - *{_d* lg "-- +s*'*f gs**tsf'f sf $**j* F*s'"h?.?s ?*"F**tFS"FSSf **S'fh



* F F F t. #. t s F '$h 'F + S t * F t t t F t t * F t t s f t F s t * "i.b s * s" f * * gss*s.$ ?3. ...... .. is o good conductor of hect' 64k

- L- ) ^^^J,,^*^ tr* 24. ....."" . is o bod conductor of heot' s'h rrrr :r- rl--:.. L^*Jl^

* ?5.coaking pots ore mod z of while their handlzs ore

B4- rnade of ... s&S 26.We need elecFricity to operote "' """""ond s*

ttiLl ttl<'\-,.t '"t t t,'.- vrv', -- . ------ ^.^., L ^^raaA

s

F ?T . ... ... is used to work computers ond heoters.tr

& . .r l.t'r !- -l-

$ ?8. ...... .. is the ability tc do ene?gY'R

$ 29. Materiols that fronsfer heot ore "'

$aPut(/\or(*): . \ &

K L E".rgy is the obility to produce f ood. ( ) ry

F'

. r -, r"-r--- ,t

f 2. We eot to get ene?gY to study ond ploy' ( ) S"

f.T TO qeT Z{lst'gY lu r I uLry urr\r rrLr/

. - x

$ 3. Work givesus energy to study ond ploy" { ) 4-

FJ-'--.--- J'

,'

{s

g 4. Enersy is the ability to do work. ( ) $F

Jttht

R$ 5. Energy is used to generate electricity. ( ) T*

t '- ---- Jt

t

g 6. We need energy to operate mochines. ( ) $ffi6 .+f*$ 7 . There is only one typ e of energY. ( ) g.

*t' J'

f6

$ 8. Fuel ,heat ond electricitY s?q diff erent types of enerEy'( ) $a*,-+$

g.We con use wind power to

prod uce

electricity.(

) ?* ---'- | 4'A'

t lO.We use the electricity to operate mochines. ( ) $"'F&

$ X.1. We qse heot energy to moke mitls move tc produce electricity. 4+Jf, rtvut vrtvr yrl I ,

46+ () 3*rt .a*.

*r'

* tZ.Thz energy produced f rom sunlight is known os solor energY. T

4-

J't

( ) I*\'t' 13.A solar heater convert s electrical znergy into solor ene?gy. tS/\s td ( ) ** 11 -'--

a+

#rts.T F**.s'Ff s t"F'Ff *tt f'f tf t*?tf *s+*'F t***ss* +



esFF*'t*Fst**stFf f tFttttttsf f f "F*.*. FsF*.f frFFtse "4bt" *-e*-C t4.We use the light from moon to produce energy. ( I {-f J I - -'-'Jt' \ ./

s

$ 15. We use energy to operote mochines. ( ) &

e{,f I6.Oil ond nqturol gas are found on the ground. ( ) ?e J '-'-r . ?&

$ t7.Wcter ond plostic pens ore products of oil. ( ) $t€-tr 18.6osoline is o product of oil" ( ) '*'S -r'- v, \ / ,h&

$ lg.Plostic bottles cnd clothes ore mode f ronr oil. ( ) $e+- ?0. We use gosoline ond diesel for

plones" ( ) f=T J r--"--" \ '' SFr *

e 7t"We use oil to burn in power plonts to moke electricity.( ) $t'F?' 22. We use oil to heot our houses. ( ) $?E.6

**f 23. Heat is tronsf erced f rom cold objecfs to hot objects.( ) 4;?vw\'4-$ 24. We get heal throu gh thesr.rn only ( t S

*

""--J" -'.-..'/. \ ,'$? 25. Tran ond copper are good conductors of heot. ( ) 4;f ' \

"$o$

26. There ere three types of heot conductors. ( ) $++? 27. Bad conductors of heqt qre moteriols that tronsfer heot well. $*&*i

A*()$".!e's

f 28. waod ond plostic ore bod conductors of heot. ( ) ,hfr'T$ 29. Cooking pots ore mod e of oluminum. ( ) $dsa'Sf 30. The hondles of cooking pots ore mod e of iron. ( ) #*'

'--'J r-'- rru-vvr rrvr" t{o#

a&.ats 1

i'$frAi

s4+S'*6i,aq.nh*e,Se.&.$

f )e ;r*

d_d_$ - : " '*s"F?'f *rsFFF"F?rt3*t'frtf *tf 'F ttf "loT*.tFs**sf f.*.f. =h



f s*s*. s"sFss-Fi1 FF*FStS*tt*ssFsF*sf ss#+#ssf fit'*s$€rErNsB'fL&,?E ,,fFf 3) choose: ffI4-tj| 1. Energy is the obiiity to do (feod-work-eat)

&

\ r -r-- t --^-t.-t^-- t$ Z.Food gives us (er":ergy-toys-ears) to study and ploy. f4-e? 3.We eot to get energy to (work-study ond ploy-all the previous). S4_

v.ruvveI rvyvt v.'vtJJ I --'- r'-t J '?

&' - \ . r .lr -l

$ +.We use (wind-heqt-sun) Pow€r to rnoke mills move. ,fr,

,Ft$

5"Enengy produ ced from the wind is known os (fuel-solor-wind) s-.y*S;$-

energY. f*'Tt 6.(Oil-food- clothss) ond noturol gos are found under the ground. trf\-J'JT

$ T.Crudz (oil-water-tea) must be refined into other products.$

t B.(6osoline-woter-wind) is c product of oil. Sts .\ ---.r

f 9.We nroke (woter-plastic bottles-food) from oil. ftb - \-- r----- - ' - &

'F 10. Fertilizers, clof hes ond toothbrushes ore mod e f rom S

f&S (oil-wood - meto!) #Ff*&6 n. We produce electricify by {eooling-burning-heoting) oil in .9"

S r L- tr6 power plonts. s#B$ 12. (Heat-Light-Kinetic) is trqns f erced f ronr hot objects to cold

#

$

objects. ss'

t' 13. There ore (three-f our-two) types of heat conductors. ?f \ - ' t' S

$ 14. (fron-Wood-Plcstic) is o good conductor of heot. S

$ 15. (Plastic -Copper-Iron) is o bod conductor of heot $E"

f 16. Cooking pots ore mod e of (wood-oluminunn-plostic) . -,"

it 4+

t 17. The hondles of cooking pots ore mod e of (iron-copper-wood). 4-S&

*&* ,".4

f+"s 2i **r*F**f s"f *f f 'rFTf 'FBs'f f * tss*'sf T$'*f *s'*f ss'*ss*i,-



s?ssPyf

g

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6

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b

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s" * ? s s F e s' s fr F F t t f t * F F t t * F F F S F t F t t F F F F f S t F S.sfs5)E-gsui 4-

A B

l-. We us€ gasoline and diesel for a. Planes and ships.

2. we use oil to heat our b. electricity.

3.we use oil to burn in power plants

to make

c.refined before it is

used.

A.oil needs to be d.cars and trucks.

5.we use aeroplane fuel and oil for e. h omes.

T,s*

*'s's*"sssB.sssi'

*sF,f

B-Join: S'

A E

L. F{eat transfer A. rub both honds together,

you will feel heqt.

2. Friction B. wood cnd plcstic.

3. 6ood conductors of heot C. heat is tronsferced from

hot to cold objects.

4. Bad conductors of heot D. iron

,copper ond

aluminum.

2.

3.

4.

stsrtr

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2

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es:

rgf

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i

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a

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T3-Whot o?e the types of energy? *-ql

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t

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2

77

s's**'f FFtrttf *t$?'t*'*1h6. t$'6. Fti* ?F*",hf *trs**f s.'F



f s F *. B *. * S S'F $ s.'F t f F * F * t +. t F t f s' F * *" F S S' F * * B * s. S" f$

& m*i', -,,Mr '?u6, ,=t'',,tr=*$-

$ffi

a* ;;;;

t=mH: Lff,, ti,i_ 'r/.,,'$ ;ffi eisnq' * ;.i1, .

! ,,, tr$ *t-; '' $f

$ l.Electricitycomesfromthenrains.'o'tt,,."trl,'t ';'i'" $e i" ut : ' $?;'''

ff u,fitffi,''''--'$4-e

# 2.Electricity passes through electric eircuit f,EB.-,?

sefi{ lffi&Is..,w* r..*wffiffiffi"

'n*l

R F;'*"'=*T

s['Jl$t#ntffi i lJ'".d #l$**

$ r lf: :iToleelectric circuit l ,t"*,-,,. l*

Tconsisrs of oartery, e recrnc wire, F

$ switch and lamp $*ssfF*_#$$ 4.Fon the electric circuit to work, the circuit must be complete #

r$#ts?*S*.ts !: ,' f*'*F'q*f +f sf Ftf sFt?'+stFFt?'"+F?'ss'*f .+*f :r"ss**r**'*o



Unit 5 Elecfffiity

Electricity ond 5i

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$+ ./ unitSm$ ':_*_-fuJsson(t{j ElectricityondSimpfee

$$ 'm1,ffi$ffi |-:ffi I ffi

$ffi Iffi

trffi I ffi*ffi Iffi$ffi I ffi&ffi1ffi

fiw

$-$ ryfiectriccircui:

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Unit 5 Electricity

Lssson {1, 2) Eiectricity ond

Simple electric circuit

f "rFFfi+Ff 'FSFt*FFf f f Fttf s+'f *.tF*tr*s*f tr,F*sFF** w?? ry?*.*N"*N Unit 5 Electricitv *-? \ N -wrv r-reurrlrvrrt

K-.-.-;H

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f \ N t ôo^- Jr iD\ Flor.*- ini*,, nn.! ffi *$S Ft

-qN r,sssrrn \r' zl trlecrrlclry qno m ^,g$tr i-

$ ,**'d{ ffi simple electriccircuit N q =tN\#'

f*f"\"+' s:.l:mw\!s'ssffi$)s# \W-wmi:remi*4-NN*N\\sx\s\\s\\r\.\r!ll\!ir1iNJ!s&ww$

# laarnnf ala. *-rF$+$ 1" Electricity comes from the ". i-sh

^,*.'. -^--^- ';----: -"--; -:.-;- d-f 2.Electricitypassesthnoughelectric F,#

$ 3" The sin'lple electric clrcuit consists of t.*- ...".. and ". f-'a

^ ^l^^&-:- ^:,--".trr^ ------l- rt-

-, S

t 4. For the electric circuit to work, the circuit must be ... &S' F -.-"-''. {'

$ 5. ... " comes from the mains. S

F

Lrrv 'rrvrr's'$

&i; Ghooss E* 4 --l^^!--:-:!---- -,--,t ,r t . &

$ 1. Electricity comes frorn the .. .(mains - plastic - connputers) $

$ i :i"::::'j:Y'::'"-'_,'_hi::',1-

7 3. The sirnple electric circuit consists of...(wood - electric wire

-pots) 6+

$ 4. For the electric circuit to work, the circuit must be.." $

f 5. The sir"i''lple electric circuit consists of.. .(larnp - plastic - mains) S"s ' \---'|- *s&"4 a

,*'s#"Fis EDrr* l./\ s.t f rll ^- A ^ûu--l rt^^ --r - -- - IH rut tv l or tx) anA t #*,

n 1 !:t thS.electric circuit to work, the circuit must be cut ( ) $ &"? 2. Electricity comes from the mains. ( ) t- r.-:^:!----- rt r r I ' +t 3. Electricity passes through battery ( ) S, A Tl . I r -

f 4. The simple electric circuit consists of batte ry, eclectric wire, $6 switch and lamp. ( ) f*f 5. The heat comes from the mains. ( ) A

*tq6

r+A{rii- *s+ 3"i :tr-*4s i'.

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Match

Battery

Electric wire

Switch

Lamp

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Unit 5 ElecTricity

2) Sinrple



#*F?"F sF*'F*st**tf *F+etrf s*tFFf ssf t*#

CiYe tne scientfl

1. They are materials that don't let Electricity to pass th

s throu. They are materials that allow Electricity to

3. lt comes from the mains4. lt passes through electric circuit

ht

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Unit 5 Electricity

Fesson {2) Simple eleclric circuit

Complete:l-. Conductors of electricity are rnaterials that allow

.. to pass through thern.2. Conductors of etectricity include

3 ;;;;i;;;;;;;i.1?i';;;;;; that ,etelectricity pass through them.

4. lnsulators of electricity include ..... .and

eive reasons:1. The electric wire made of copper

ssfr

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* *KlL= ,. , t'---",.:','...^,,,''jfr=r Sv ffi

-ffiS

**&*i+ Complete: +

& ^:{-. . ^^ f-^ -.-L ^ +& 1" Electricity comes fram the ...... #.

$ 2 Etectricity passes through electric$

s3"TheSirnpleelectriccircUitconSistSof.."s,s'r ^-r sF .... and .. S .... cil ru .. str 4. For the electric circuit to work, the circuit must be ... Str* q

" comes from the mains. +r&

$ 6.Conductors of electricity are materials that allow $S ..... to pass through them. **

. Lv lverr L! rr vvb! I Ll rul I t.+

S T"Conductors of electricity include ,F

t ^^r #'y ....and..... Ftr 8" lnsulators of electricity are ... ..that.. ....let t'ff electricity pass through them. 4-&H g.lnsulators of electricity include ......and... t&

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$ 1 :r,ectricitypasses through ....(mains - electric circuit - switches)

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Unit 6 Pollution

I-,esson (f ,?) Pollution & Land pollution

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$ 1. Pollution is anything that ..... our environment

# 2. "" can be in the air, the water or on the land;{b

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+ 3. .. is a source of pollution,*S 4. ...... is things that people throw away in the dust binsf

tr5. Rubbish includes vegetables .. ..., p?pe r, wood and plastic

# 6. Rubbish is things that people throw away in the*F&

e Pu!J/} or {x) and correct the wronc onesls:ss4ff

# 1.. Energy is anything that damages our environment ( )

f 2. Pollution can be in the air, the water or on the land ( )F

d* 3. Noise is a source of energy ( )

$ 4. Rubbish is things that people throw away in the dust bins

t ()# 5. Electricity includes vegetables peelings, paper, wood and plastic4k

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f 6. Rubbish can't damages the environment ( )

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l\oise is things that people throw away

in the dust bins

Rubbish includes ahything :that damages ourenvironment

Follution can be in a souree of pollution

Rubbish is Vegeta bles peelings, pa per,

wood and plastic



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e xn""$N" Npollution

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ss&& Complete:

$ t. [\4ost drinking waten comes from

$ 2. People get sick and plants die when they breathe...

#

3. Air is polluted by.. coming from factories and car

6 4. Rivers are polluted by peopre thnow ..... into rivens

f 5.People get sick and plants die when they*'.L

? breathe..... .or drink..'*#%s?B

sFF L Rlvers are polluted by Waste gases coming from factcries ( )*V 2. N4ost dninking water comes fronr seas ( )s..tr

3. factories throw Wastes into rivers ( )

? 4. Waste gases corne from plants ( )k

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5. Fish can live in polluted water ( )

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f2. Air is polluted by... (fccd - waste gases

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$ J.-:.-r-:.^-- r t **. 3. Most drinking water comes from ".( rivers - seas - oceans) St4

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S 5. Rivers are poiluted by... (Rubbish - waste gases - air) A'e,?-?++f*

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Air is polluted by when they or drink polluted water

Most drinkingwater comes

frc mWaste gases

People get sick and plants

die

Throw rubbish and wastes into it

Rivers a re polluted by



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# 1. Noise is low sou r"rds ( )

$ 2. Airplanes, cars and motorcycles make a lot of noise ( )

$ 3. Noise is good for hearing { )

tr4. We should recycle all rubbish

To keep our environment cleanTs i)f 5. We shouldn't make noise { )sf 6. We should throw rubbish intc rivers ( )s'ts4h-q Complete:T

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-

#5. Factories must use.. . to clean the smoke**'

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Unit 6 Pollution

Lesson (5) Noise pollution



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# 4. ..... is things that people throw away in the dust bins $t' 5. Rubbish includes vegetables ""..., pdF€r, wood anc plastic

$? 6. Rubbish is things that people throw away in the t lrinkino *rrt"r .nr'Fc frnrn

t - --i-T 7. Most drinking water connes fronnF

$ 8. People get slck and plants die when they breathe 'F*

$ 9. Air is polluted by.. coming from factories and car tTg 1G. Rivers are polluted by people throw ..... into rivers ?rg 1,1,. People get sick and plants die when they $trE'*

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t breathe..... .or drink...t v'|\-(r"""'-'-',""; ;;;.'.:"'otdi'lnK""' $$

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H 13. . "".. is loud sounds. *pf

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f 15. Noise can.. ..... our hearing $h

f 16. Factaries must use . to clean the smoke $

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4h$ 1. Energy is anything that damages our environment ( ) $+2. Pollution can be in the air, the water or on the land ( ) $f g. Noise is a source of energy ( ) *-/f

{o +' Rubbish is things that people throw away in the dust bins ( I $j;5. Electricity includes vegetables peelings, paper, wood and plastic $&+ () r{n s. Ru bbish ca n't da m ages the envi,-on ment ( ) $'

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$ !2. Noise is low sounds ( ) $k

$.13. Airplanes, cars and mctoncycles rnake a lot of noise ( ) 6

$3.4. Noise is sood for hearing ( ) $

$15. We should recycle all nubbish To keep our environment

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f 2- Noise is a source of ....." (pollution - energy - electricity) $& 3. Rubbish is things that people throw away in the."".. ?&* (pollution - dust bins - non of the previous) 4;

$ 4. Rubbish inciudes.. e*

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*. { water - vegetables peelings - Noise) ff

*6. waste gases come

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f B. Most drinking water comes from ..( rivers - seas - oceans) A*

'h 9. People get sick and plants die when they breathe ... sik,

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f (polluted water - poiluted arr - fresh air) #10. Rivers are polluted by... .(Rubbish - waste gases - rir)$_s

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Pollution is the air, the water or on the

la nd

Noise is things that people throw away

in the dust bins

Rubbish includes anything that damages ourenvironment

Pollution can be in a source of pollution

Rubbish is Vegetables peelings, paper,

wood a nd plastic



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Exercise

Lesson (1) The universe

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6

S 2. " is a group of stars, dust and gas held together ff by gravity. $ff:. The galaxy consists of millions of .. ftf

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f 4. There are other systems within a galaxy like solar system( ) +i".i'*Srhtr 3) Give ffine word: ,F

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f 2. The sun glves us heat, light and energy. ( ] $*.

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f 3. The sun a dark body ( ) $ff,6

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2.Venus:

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3 " The Eorth:

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4. Mors:. ft's known os the red pianet.

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7 .Uranus:

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8 "Neptune:

. ft's the blue plonet.

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Unit 7 The solsr system

Lesson (3,4,5) The eight planets

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FSFSs_*.'f+ Give the scientific term: {-.*

'tE.,i- 1,. lt's known as the red planet. (.................;) #s#'g 2. lt's the most beautiful planet. ("..................) Ff' r---"-- -- \"'-'-'-"-'-'--'-''

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# 3. lt's the blue planet. (........".........) #

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H t. Venus is the nearest planet to the sun ( ) d*?'\'s,m

$ 2. The Earth is the planet where we live ( ) $

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$ 4. Uranus is the blue planet. ( ) $t,Ff 5. Mars is the most beautiful planet. ( ) ,F

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$ 6. saturn is surrounded by over 1000 colored rings ( ) $+*

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L. Moon Is a .. .. body that rotates ai'ound the Earth

28 days ( ....) causing the phases of the moon

2.The phases of the moon are the different .. ....of the moon.

3. Asteroids are .. .......that were left behind after the formation of

the.. ..... and nnoons

4. Comets are .. .....left behind from the formation of the

. and the planets.

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planets and moons (...".. .......)

It's a dark body that rotates around the Earth

(.....)

They the different views of the rnoon. (.. .. ,........)

They are icy bodies left behind from the formation of the Sun and

the planets.

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$ 3.The universe consists of a huge number of galaxies. ( i $

$ 4.There are other systems with!n a galaxy like solan system( ) $'F 5.The solar system consists of the sun, Eight planets only ( ) Sih*

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t (...... ...." ...) 1-

$ +. lt's a self-shining body (...... ....... ,) $F_ +t 5. lt gives us heat, light and energy. ,j,,, (..... ......"..) *ts --

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\6$. 7. lt's known as the red planet" (.... . ...........) $.edh? S. lt's the most beautiful planet. (...... ..........) $fie'& ,+h

f S. lt's the blue planet. (. "". ........ .)$Ft..r*

* 10. Nt's the biggest planet. (...... ...... .) &ed-f 11. it's surrounded by over 1000 colored rings (...... ) T* -'.-' \"""

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$ tt. lt's the coldest planet. (...... .........) $r&

$tt. lt's the nearest planet to the sun. (...... ........../ #s*

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$ planets and moons (...... ........) $

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F\'*-$ 17. They the different views cf the moon" ( )'ih

eh\""" """"'/F

? They are icy bodies left behlnd from the formation of the Sun and$+&'1

$the planets. (..... ............) ff

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Science Bklt Jr3