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Worksheets

G4 Revision

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

The white t-shirt ………….. the light so that we feel cool in summer.

a)

absorbs

b)

reflects

c)

refracts

2.

When the mass increases the force needed to change it’s motion …………..

a)

stays the same

b)

increases

c)

decreases

3.

When we …………. fossil fuel they produce heat.  

a)

cool

b)

freeze

c)

burn

4.

The ……………. of an object changes from one place to another.

a)

weight

b)

length

c)

mass

5.

…………….. is a good insulator.    

a)

Iron

b)

Copper 

c)

Rubber 

6.

……………. provides the energy to move electric charges.

a)

Switch

b)

Wire

c)

Battery

7.

………………………… combines both the speed and the direction an object is moving.  

a)

Acceleration

b)

Velocity

c)

Force

8.

The heat transfers from sun to earth by …………………………

a)

radiation

b)

conduction

c)

convection

9.

………………………. occurs when light rays bounce off.

a)

Refraction

b)

Absorption

c)

 Reflection

10.

The change in the position of an object is ………………..

a)

speed

b)

force

c)

motion

11.

…………………. circuit has one single path.

a)

Series

b)

Parallel

c)

no correct answer

12.

…………………………. reflects light more than water.                     

a)

Carton

b)

Mirror

c)

Glass

13.

The …………………. is the most important source of light on earth.  

a)

lamp

b)

sun

c)

candle

14.

Light refraction occurs due to the change in the ……………… of the light.

a)

wavelength

b)

speed 

c)

frequency

15.

As you move from red to blue on the visible light spectrum, wave length increases

a)

True

b)

False

16.

Absorption occurs when light rays bounce off

a)

True

b)

False

17.

Motion is any push or pull

a)

True

b)

False

18.

Balanced forces in opposite directions cancel each other

a)

True

b)

False

19.

Object's mass on Earth is greater than its mass on moon

a)

True

b)

False

20.

The mass of any object is the same on earth and on the moon

a)

True

b)

False

21.

We should wear white clothes in summer to feel cool

a)

True

b)

False

22.

Metal is a good conductor

a)

True

b)

False

23.

Switch provides the energy to move electric charges

a)

True

b)

False

24.

Switch provides the energy to move electric charges

a)

True

b)

False