Force and Energy Intervensi-year 5

7/27/2019 Force and Energy Intervensi-year 5

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Science Year 5Module 3

Section A: Objective

1 Electric current can flow through

A a complete circuitB an incomplete circuitC a parallel circuitD a series circuit

2 Why do we need to use energy wisely ?

I Save costII Reduce pollutionIII Avoid wastage

A I and II onlyB I and III onlyC II and III onlyD III only

3 Accumulator are used in

I motorcyclesII carsIII lorries

A I and II onlyB II and III onlyC I and III onlyD I, II and III

4 We see our image in the mirror because light

A is blockedB is reflectedC is absorbedD travels in a straight line

Modul Bimbingan EMaS / Module 2 / Science Year 5

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5 The roller are used to

A allow the bridge to expand during hot daysB cut the cost of construction of the steel bridgeC reduce the weight of the steel bridgeD make the steel bridge look better

6 Diagram shows the classification of materials into two groups. Which ofthe following are X and Y likely to be ?

X YA lime juice DetergentB Tea PineappleC Baking Powder YogurtD Sugar Coffee

7 A chief does not have anymore vinegar to use. Which of the followingcan be used to replace vinegar ?

A TamarindB BananaC PapayaD Sugar

8 Which of these statement about heat is TRUE ?

A An object contracts when heatedB An object becomes cooler when it loses heatC An object expands when its temperature decreases


2

The rollerThe roller

Materials

OrangeJuice

X

ToothpasteShampoo

Y


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D The temperature of an object decrease when it gains heat9 The process where the cloud is formed, is called

A meltingB freezingC condensation

D evaporation

9 You wan to dry your wet towel quickly. Where must you put it ?

I Under a moving fanII Under sunlightIII In a dark room

A I onlyB I and II onlyC II and III only

D I, II and III

10 Ramanathan placed red and blue litmus paper on a cut lemon, asshown

He noted the colour changes. Which substance will show the sameresult ?

A Sour milkB Sugar waterC SeawaterD Shampoo

11 Which of these statement is TRUE

A Acidic food taste bitterB Alkaline food tastes sourC Acidic food tastes sourD Alkaline food is tasteless


3

Lemon

Red Litmus PaperBlue Litmus Paper


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12 Alkaline substances change

I Blue litmus paper to redII Red Litmus paper to blueIII Blue litmus paper to blue

A I onlyB I and II onlyC II and III onlyD III only

13 Diagram shows the change of state of water.

Which is the correct order of the processes involved ?

A Boiling and condensationB Evaporation and boilingC Boiling and evaporationD Condensation and boiling

14 Which if the following statement about rusting are TRUE ?

I Rusting occurs only in the materials made of iron and steelII Rusting occurs only in the presence of water and airIII Rusting can be prevented by painting or greasing

A I onlyB II onlyC II and III onlyD I and III only


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15 P, Q and R are three iron nails placed in three different conditions.

P Q R

Which of the following is the correct result after two weeks ?

Nail P Nail Q NailR

A No Change No Change RustyB Rusty Rusty No ChangeC No Change No Change No ChangeD Rusty No Change Rusty

16 Which statement about a series circuit are correct ?

I The bulbs will light up with different brightnessII The bulbs will be more dim when more bulbs are added to the

circuitIII The batteries will lose their energy quickly

A I onlyB II onlyC I and II onlyD II and III only

17 Which symbol represents a bulb ?

A B

C D


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Tap water Oil

nailnail


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18 Diagram shows a combination circuit.

What will happen to the bulbs if bulb Q is burnt out ?

I Bulb P will not light upII Bulbs R and S will still light up

III Bulbs P, Q and R will still light up

A I and II onlyB I and III onlyC II and III onlyD I, II and III

19 Which statements are correct ?

I Hands must be dry when handling electrical appliancesII All switches and power points must be in good conditionIII All the plugs must be fully pushed into the power points before

the appliances are switched on.

A I and II onlyB I and III onlyC II and III onlyD I, II and III

20 The brightness of a bulb in an electric circuit depends on the

A type of batteriesB number of switchesC arrangement of bulbsD arrangement of switches


6

P Q

R S


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Section B: Match the energy term to its correct meaning/ example

ENERGY TERM MEANING/EXAMPLE

1. Sources of energy Light energy and heatenergy from the sun

2. Forms of energyEnergy that can bereplenised when usedup

3. Solar energyChange of energy fromone form into another

4. Renewable energyKinetic, electrical,

light, heat, solar,chemical, potential

5. Non-renewable energy Sun, food, wind, fuei,battery

6. Transfomation of energyEnergy that cannot bereplenished when usedup.

Match the Observation/Definition to its correct process

OBSERVATION/DEFINATION PROCESS

1. When ice is left at roomtemperature, it will slowlymelt.

Freezing.

2. The water will turn to ice ifwe put in freezer. Boiling.

3. Water will change to watervapour at a certaintemperature.

Melting.

4. Water vapour change towater when it contact withcold surface.

Condesation.


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Diagram show the stages in the change of state of water in the water cycle.

Name the process label:

A :____________________________

B :____________________________

C :____________________________

D :____________________________

The diagram shows the reflection of light when it falls on the mirror.

Name :

i) Ray A :____________________________

ii) Ray B: ____________________________


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DA

CB

CLOUD

SEA WATER

RAINWATER VAPOUR

Mirror

A B


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Name the above diagram:_____________________________________________

A shadow is formed when light is blocked by an opaque or translucent object.

List 3 opaque objects:

1.________________________________________

2.________________________________________

3.________________________________________

Section C: answer all question

1 A fair test is carried out by a group of pupils.

a) What is the aim of the fair test?

.

b) What is the difference between shadows in X and Y?

.

c) Give reason for your answer in b).

.

d) In the fair test, state;

i) What is changed :

ii) What is kept the same:..


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Image

Opaque object

Torch light

Screen


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iii) What is observed:


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2 40 ml of boiling water is poured into a beaker containing 80ml ofcold water. The temperature of water in the beaker is recordedfor 10 minutes. The result is a show in the table.

(a) What is the pattern / trend of the change in temperature from 0th 8th min ?

.

(b) The temperature of water is uniform from 8th 10th. Why ?

.

(c) Predict the temperature of water at the 12th minute ?

.

(d) What can you conclude from the fair test ?

.

3 The diagrams show the result of an investigation.

Circuit X Circuit Y

Observation: The bulbs in circuit Y are brighter than the bulbs incircuit X.

(a) Give reason why bulbs in circuit Y are brighter ?

(b) In the fair test, state


Time (min) 0 2 4 6 8 10

Temperature (0C ) 70 60 50 40 35 35

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(i) What is kept the same.

.

(ii) What is changed

.

(iii) What is measured / observed

.

(b) From the fair test, we can conclude that the bulbs are brighterwhen they are connected in

circuit.

3 Ani carried a fair test to investigate factor effecting evaporation.She put 20ml of water using the same type and size ofcontainers. The containers are put at 3 different places. Thetime taken for the water in each in each container evaporatecompletely is shown.

In the fair test, state

(a) What is changed:

(b) What is kept the same:..

(c) What is measured:.

(d) Predict the time taken if the beaker is placed in an air-conditioned room


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At room temperature45 minutes

Under the fan30 minutes

Under the sun10 minutes


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..

SCIENCE YEAR 5MODULE 2

SECTION A : OBJECTIVE

1 Diagram below shows four different objects.Which of the following sourcesproduce electricity?

2 Which of the following symbols can representa battery in a circuitdiagram?


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A C

B D

A C

B D


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3 Diagram 1 shows a circuit.

Which sequence shows the correct energy transformation when thebulb lights up?

A Chemical energy Light energy.B Electrical energy Light energy.C Chemical energy Electrical Energy Light + Heatenergy.D Electrical energy Chemical energy Light + Heatenergy

4 Which of the following appliance can change electrical energy intoheat energy?


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A B

C D

Diagram 1


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5 What is I in the information above?


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I have a positive pole and

negative pole.

I supply electricity to the electric

circuit

A

C


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16


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17


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18


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19

BD


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20


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6

6 Which of the following is a complete circuit?


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A C


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7 Diagram 2 shows a component in a circuit.

What is the function of the component?

A Produces lightB Supplies electricalC Connect and breaks electric circuitD Connects the components in an electric circuit.

8 Which of the following objects uses dry cells as source of electricalenergy?

9 Which of the bulbs in the following circuits will not light up?


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B D

A

B

C

D

Diagram 2


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10 Diagram 3 shows four pictures.

Which of the following picture possesses kinetic energy?

A P and RB P and SC Q and RD Q and S

11 Diagram 4 shows three activities.


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A C

B D

P R

Q S

J K L

Diagram 3

Diagram 4


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Which of the following activities require energy?

A J onlyB J and K only

C J,and L onlyD J, K and L.

12 Which of the following objects can change electrical energy intosound energy?

13 Diagram 5 show the television.

This of the following types of energy is not involved in thetransformation of

energy when the television is switched on?

A Sound energyB Light energyC Kinetic energyD Electrical energy

14 Diagram 6 show two objects.


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Diagram 5

A C

B D

P Q


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What is the source of electrical energy for object P and Q indiagram above?

P Q

Accumulator Dry cellHydroelectricpower

Solar cell

Dynamo AccumulatorSolar cell Hydroelectric power

15 Which of the following is correct symbol for the electricalcomponent?

16 Diagram 7 shows four objects

A P and QB P and R


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A

B

C

D

Electricalcomponent Symbol

A

B

C

D

Which of the above objects will produce a shadow when light is directed towardsit?

P Q R S

Diagram 6

Diagram 7


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A B

C D

C Q and RD Q and S

17 Diagram 8 shows a solar powered calculator.

In a calculator, solar energy is transformed into

A electrical energyB light energyC heat and light energyD electrical and light energy

18 Which of the appliances is the main source of energy?

19 Diagram 9 shows the side mirror of a car.


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Diagram 8


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screen

ball

Light source

A is blockedB is reflected

C is absorbedD travels in a straight line

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Wee can see objects in this side mirror because light .

The diagram 10 shows a shadow of the ball formed on the screen when theBall get the light source. What would happen to the shadow if the ball is movedcloser to the light source?

A Its size become smaller.B Its size become biggerC Its size does not change.

D It becomes clearer.

Diagram 9

Diagram 10


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Section BAnswerall questions

1 a) Label parts of the dry cell

[ 2 Mark ]

b) Label part of theelectric circuit


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i)

ii)

ii)

i)


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2. a) Match the energy source to the object correctly.

[ 2 Mark ]

b) Match the statements to the diagrams.


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i)

ii)

Reflection of light

Light travels in a straight line

i)

ii)


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[ 2 Mark ]

3. Fill in the blanks with the correct answers.

a) The light on Earth comes mainly from _____________________

b) ___________________ is formed when light is blocked by an opaqueobject.

c) ___________________ energy is the energy that can bereplenished when used up.

d) Dry cells provide ___________________ energy.

[ 4 Mark ]

4. Read the statements below and state True or False in theappropriate

boxes below.

a) The Sun is the main source of light and heat energy.

b) An opaque object does not let the light pass through it.

c) An iron change electrical energy to light energy.

d) A shadow is formed when there is no light source

[ 2 Mark ]


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sunshadow star renewable

Non-renewable chemicalpotential shape


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d) Predict the size of the shadow formed on the screen if distancebetween an object and torchlight is 10cm

__________________________________________________________[ 1 Mark ]

6 A group of pupils carried out an activity using model cars.The bar chart below shows the information they have obtained.

a) What is the aim of the fair test?

__________________________________________________________[ 1 Mark ]

b) In this fair test,

i) What is changed?

____________________________________________________

ii) What is observed?

____________________________________________________[2 Mark ]

c) What is the relation ship between number of dry cells andspeed?


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10

20

30

40

50

60

2 4 6 8 10 12

Number of dry cell

Speed/m/s


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If the number of dry cells ______________________ , speed the cars

__________________[ 1 Mark ]

Section A

1 A 6 A 11 D 16 B2 D 7 C 12 D 17 D3 C 8 D 13 C 18 B4 C 9 C 14 A 19 B5 B 10 C 15 D 20 A

Section B

1a) i.ii.

b) i. wireii.

2a)

b)


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Reflection of light

Light travels in a

straight line


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3 a) sun b) shadow c) renewable d) chemical

4 a) true b) true c) false d) false

5 a) To investigation relationship between distance an object with torchlightand size of the shadow formed on the screen

b) increase

c) distance an object with torchlight

d) size of the shadow formed on the screen

e) 13cm

6 a) To investigation relationship between number of dry cell and speed.

b) number of dry cell

c) speed

d) If the number of dry cells increase speed the cars increase

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Force and Energy Intervensi-year 5

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