Free Printable Primary 4 (Light, Sound, & Energy)

Free Printable Worksheets

Worksheets

Primary 4 (Light, Sound, & Energy)

Total questions: 40

Worksheet time: 30mins

Name

Class

Date

1.

Which of the following materials is not a good reflector of light?

a)

b)

c)

d)

2.

Why is the image of the object they intend to see cannot be seen?

a)

Object T is a shiny object

b)

The light ray is reflected by the mirror

c)

Object T is a good refractor

d)

Object T is a transparent material

3.

Which way of the sound is not produce by hitting?

a)

b)

c)

d)

4.

Which sound produced by plucking?

a)

b)

c)

d)

5.

What should we do to ensure the candle flame can be seen clearly?

a)

Position the holes in line with eyes

b)

Move some cupboard to the left

c)

Move some cupboard to the right

d)

Place the candle on a flat, shiny and smooth surface

6.

Which is not reflected of light?

a)

b)

c)

d)

7.

Which is the method of producing sound by blowing?

a)

b)

c)

d)

8.

Rubbing is one of the method to produce sound. Which method is rubbing?

a)

b)

c)

d)

9.

Which presents the size of the shadows formed when object P is at A, B, C, and D?

a)

b)

c)

d)

10.

Sound is produced by ________ .

a)

shout

b)

sing

c)

vibrations

d)

speak

11.

Predict what would happen if no lighthouse was built?

a)

The ship will sail with the help of wind

b)

The destination of a ship could not be determined

c)

Difficult for sailors to identify land from a great distance

d)

The duration of voyage would be much longer

12.

Which is not the example of the reflections of sound?

a)

echo

b)

sonar

c)

Trees

d)

ultrasound

13.

Mei Lin is inside a recording studio. What is the reason that her friend who is outside the studio cannot hear the sound produced inside the studio?

a)

Sound can only reflect locally

b)

The sound vibrated only in a vacuum

c)

Sound is absorbed

d)

Voices echoes and travel in all directions

14.

Which is not an application of sound reflection?

a)

sonar

b)

echo in fish

c)

radar

d)

ultrasound

15.

Choose the correct answer

a)

Both are plucking

b)

Both are rubbing

c)

a is rubbing, b is plucking

d)

a is plucking, b is rubbing

16.

a)

rubbing

b)

clapping

c)

blowing

d)

hitting

17.

Which bar rep[resents the information above?

a)

b)

c)

d)

18.

How to stop the ringing without turning it off?

a)

Buy new one

b)

Stopping the vibrations of the hammer part of the clock

c)

pour water on it

d)

cannot do anything

19.

"Ah Chong loves to listen to music. However, he is disturbed by the loud music coming from her neighbor's house"

Explain the effects of the sound above?

a)

sound causes disturbance

b)

sounds help to communicate

c)

sounds provide alertness

d)

sound is vibrations

20.

Which of the following is a correct match?

a)

b)

c)

d)

21.

Which of the following is true?

a)

Energy can be destroyed

b)

Energy is the ability to do work

c)

Solar energy is growing

d)

All electrical appliances use dry cells to function

22.

Which is not renewable sources of energy?

a)

The sun

b)

Wave

c)

Wind

d)

Uranium

23.

Source of the energy of these vehicles?

a)

Nuclear energy

b)

Wind

c)

Fossil fuels

d)

Waves

24.

What is the form of energy above?

a)

Chemical energy

b)

Sound energy

c)

Potential energy

d)

Heat energy

25.

Which results in environmental pollution?

a)

b)

c)

d)

26.

Which of the following is a renewable source of energy

a)

W and X

b)

W, X, and Z

c)

Y and Z

d)

X, Y, and Z

27.

Which electrical appliance does not involve the same energy transformation?

a)

b)

c)

d)

28.

State the source of energy for the object above

a)

The sun

b)

The wind

c)

Biomass

d)

The waves

29.

State the forms of energy for the object above

a)

Heat energy

b)

Kinetic energy

c)

Potential energy

d)

Chemical energy

30.

State the transformation of energy above

a)

Chemical energy $\longrightarrow$ Kinetic energy

b)

Heat energy $\longrightarrow$ potential energy

c)

Chemical energy $\longrightarrow$ potential energy

d)

Sound energy $\longrightarrow$ electrical energy

31.

State the transformation of the energy above

a)

Electrical energy $\longrightarrow$ Kinetic energy

b)

Sound energy $\longrightarrow$ Heat energy

c)

Light energy $\longrightarrow$ Potential energy

d)

Potential energy $\longrightarrow$ Chemical energy

32.

State the transformation of the energy above

a)

Light energy $\longrightarrow$ Sound energy

b)

Chemical energy $\longrightarrow$ Solar energy

c)

Electrical energy $\longrightarrow$ Heat energy

d)

Electrical energy $\longrightarrow$ Nuclear energy

33.

What is the definition of potential energy?

a)

moving object

b)

produced by vibrating

c)

store in substances

d)

contain nuclear

34.

What is biomass?

a)

main source of energy

b)

rotate of windmill

c)

rotate the turbine in dam

d)

substance from plants or animal faeces

35.

State the transformation of the energy above

a)

Chemical energy $\longrightarrow$ Light energy

b)

Sound energy $\longrightarrow$ Electrical energy

c)

Solar energy $\longrightarrow$ Potential energy

d)

Nuclear energy $\longrightarrow$ Kinetic energy

36.

State the transformation of the energy above

a)

Chemical energy $\longrightarrow$ Light energy

b)

Electrical energy $\longrightarrow$ Kinetic energy

c)

Heat energy $\longrightarrow$ Solar energy

d)

Potential energy $\longrightarrow$ Sound energy

37.

State the transformation of the energy above

a)

Chemical energy $\longrightarrow$ Sound energy

b)

Heat energy $\longrightarrow$ Light energy

c)

Solar energy $\longrightarrow$ Electrical energy

d)

Kinetic energy $\longrightarrow$ Nuclear energy

38.

Which is the following does not require electrical energy?

a)

b)

c)

d)

39.

Which of the following is true about renewable energy?

a)

limited

b)

generated continuously

c)

cannot be regenerated

d)

Will run out in future

40.

Which is not fossil fuels?

a)

Coal

b)

Natural gas

c)

Petroleum

d)

Uranium

Reset

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