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SECTION A

Answer all the questions.

Every question is followed by four answers A , B , C and D. Choose the correct answer. Then, blackenyour answer on the answer sheet provided. The suggested time for this section is 45 minutes. f you areunable to answer a question, proceed to the ne!t question.

1 The picture below shows a pupil carrying out some exercises.

The energy needed to carry out the exercises is obtained from ..

A the SunB foodC petrol.D wind.

2 The picture below shows a type of source of electrical energy

The source of electrical energy is used commonly in a !

A torchlight.B bicycle.C motor bi"e.D car.

# $hich of the following sources of energy is used in a bicycle to light the bicycle lamp

A DynamoB Dry cellC Solar cellD Accumulator

1

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% $hich of the following electrical appliances use dry cells as their source of energy

& &&

&&& &'

A & and && onlyB & and &&& onlyC && and &' onlyD &( &&& and &' only

) The picture below shows an electrical appliance.

$hat energy change will ta"e place when the appliance is used

A *eat energy + electrical energyB Chemical energy + heat energyC ,inetic energy + electrical energyD -lectrical energy + heat energy

The following picture shows an electrical appliance.

$hat is the part labelled /

A DynamoB Solar cellC -lectric generatorD Dry cell

2

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0 $hich of the following are renewable energy resources

& Coal&& Biomass&&& Solar &' $ind

A & onlyB &&& and &' onlyC &( &&& and &' onlyD &&( &&& and &' only

$hy is renewable energy better than non renewable energy

A &t does not pollute the en3ironment.B &t possesses high 4uality of energy.C &t can be obtained e3erywhere.D &t can be easily transformed.

5 The following is the change of energy that ta"es place in appliance / when it is used

$hich of the following appliances is most probably /

A 6adioB *air dryer C 7ianoD Tele3ision

18 $hich of the following is true about solar energy in 9igure 1

Figure 1 & &t is renewable && &t is a3ailable day end &&& &t is used to power calculator &' &t is used to power space satelite

A & and &&& only B &&& and &' only C &( && and &' only D &( &&( &&& and &'

3

-lectrical energy + sound energy : light energy.

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11 A bulb will light up when the switch is on. $hat is the changes of the energy in 9igure 2

Figure 2

A There is no energy changes. B -lectrical energy changes to heat energy only. C -lectrical energy changes to light energy only. D -lectrical energy changes to light energy and heat energy.

12 $hich sources of electrical energy are suitable energy for operating a portable calculator in9igure #

Figure 3& Accumulator && Dry cell&&& Dynamo&' Solar cell

A & and && onlyB && and &&& only

C && and &' only D &( && and &' only

1# $hich electrical components are correctly matched to the symbols

4

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1% $hich of the switches in 9igure % has to be connected in order to light up bulbs 7(; and 6

Figure 4

A < and = onlyB < and , onlyC , and = onlyD = only

1) $hich of the following has bulbs arranged in parallel

A

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1 $hich of the following precautions must be ta"en when handling electrical appliances at home

A 7 and ; onlyB 7 and 6 onlyC ; and 6 onlyD 7( ;( and 6

10 *afi? cannot see the light of the oil lamp in 9igure ).

Figure 5

This is because!.

A =ight is reflectedB =ight is refractedC =ight has many colours.D =ight tra3els in a straight line.

1 $hich of the following phenomena shows that light tra3els in straight line

& The rays of the sun passing through a hole in the roof.&& The beam of light shining from a torch&&& The searchlight of a helicopter &' The beam of light from a car

A & and && onlyB & and &&& onlyC && and &' only

D &( &&( &&&( and &'

15 9igure shows the position of an ob@ect on a screen.

Figure 6

$hich of the following affects the si?e of the shadow formed

6

P - Replace broke !ocke" or plug i##e$ia"el%

& - 'o o" i !er" a %"(i g i "o "(e !ocke"

R - S)i"c( o "(e lig(" "o replace blo) ou" bulb!

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A Distance of the light source to the screen.B Brightness of the light sourceC 7osition of the light sourceD Type of light source.

28 Based on 9igure 0 how do you describe reflection

Figure *

A The bouncing of light from a surfaceB The bending of light on a surface.C The brightness of lightD The speed of light

21 The de3ice in 9igure ( is made based on which of the following property

Figure +

A =ight can be refracted.B =ight can be reflected.C =ight can tra3el 3ery fast.D =ight tra3els in a straight line.

22 A light is shone on a mirror as shown in 9igure 5.

Figure ,$hich of the following shows the correct reflection of light

A 6B SC TD

*

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2# $hich of the following statements are true about heat

& *eat is a form of energy.&& *eat can be transferred.&&& *eat can be felt.&' *eat can be seen.

A & and && onlyB & and &&& onlyC &( &&( and &&& onlyD &( &&( &&& and &'

2% $hich of the following acti3ities produces the least heat

A

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20 A thermometer is used to measure temperature. $hy is mercury used in the thermometer

A &t is a bright colour B &t expands easily only.C &t contracts easily onlyD &t expands and contracts easily.

2 The temperature of a substance is!

A the amount of heat in the substance.B the degree of hotness or coldness of the substance.C the amount of matter in the substance.D the amount of energy in the substance.

25 The diagram below shows four eye positions for ta"ing the temperature of water using athermometer.

A

B

C

D

$hich of the eye positions( labelled as A( ( C and ' ( reads the temperature of water accurately

#8 The diagram below shows a nut and screw. &t is obser3ed that the nut cannot be released from itsscrew because it is 3ery tight.

Screw

ut

*ow can the nut be released

A &mmerse in boiling water B *eat the nutC &mmerse in iceD *eat the screw

,

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SECTION

28 >A6,S E

The time suggested for this section is "# minutes. f you are unable to answer a question, proceed to thene!t question. $nswer all questions.

1 The picture below shows the results of an experiment.

>agnifying glass Sun

7aper burns

aE Based on the abo3e picture( write o e obser3ation and o e inference.

Fbser3ation G

&nference G

2 mar"s E

bE State ")o forms of energy obtained directly from the Sun.

1.

2. 1 mar" E

cE &nstrument / can transform light energy from the Sun to electrical energy. $hat is /

1 mar" E

1

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2 The picture below shows some sources of electrical energy.

7 ; 6 S

aE ame the sources of electrical energy shown abo3e.

i. 7 G

ii. ; G

iii. 6 G

i3. S G % mar"s E

bE Hi3e o e example of electrical appliances which uses the following sources of electrical energy.

i. 7 G

ii. ; G

iii. 6 G

i3. S G % mar"s E

cE $hich source of electrical energy can supply the high demand of electric power

1 mar" E

dE State o e disad3antage in using 7.

1 mar" E

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# A pupil shines a beam of light on the materials listed below. Then( he classifies the materials intotwo groups.

aE Complete the table below on classification made by the pupil.

roup A roup

2 mar"s E

bE *ow is the classification made

1 mar" E

cE State "(ree characteristics of an ob@ect that is a good reflector of light.

1. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

2. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %

#. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %

# mar" E

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Aluminium foil Cardboard 9ace mirror Bloc" of wood Hold plate Cloth

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THE END

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