Vidaara.orgClass 4 · Mathematics
CodeVID-M4-WS
Energy & Its Forms — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
15 × 1 = 15 marks
1.
The energy that makes things warm is…
- A.Colour
- B.Sound energy
- C.Light energy
- D.Heat energy
2.
Energy from the Sun is called…
- A.Solar energy
- B.Wind energy
- C.Sound energy
- D.Food energy
3.
A moving object has energy of…
- A.Smell
- B.Colour
- C.Motion
- D.Taste
4.
We should switch off lights and fans when…
- A.Never
- B.Always on
- C.It is dark only
- D.Not in use
5.
The energy we hear is…
- A.Heat energy
- B.Light energy
- C.Sound energy
- D.Food
6.
A fan changes electrical energy into energy of…
- A.Food
- B.Motion (and wind)
- C.Colour
- D.Taste
7.
A torch changes electrical energy from its battery into…
- A.Light energy
- B.Food energy
- C.Sound only
- D.Rain
8.
Plants use the Sun's energy to make their…
- A.Sound
- B.Roots only
- C.Colour
- D.Food
9.
Our bodies change the energy in food into energy of…
- A.Sound only
- B.Colour
- C.Light only
- D.Movement and heat
10.
Using daylight instead of bulbs in the day saves…
- A.Food
- B.Water
- C.Electricity
- D.Air
11.
The energy that lets us see is…
- A.Sound energy
- B.Light energy
- C.Heat energy
- D.Wind
12.
Most fuels like coal and petrol will one day…
- A.Multiply
- B.Grow back fast
- C.Last forever
- D.Run out
13.
We get the energy to run and play from our…
- A.Shoes
- B.Food
- C.Clothes
- D.Books
14.
Why is solar energy called a clean source of energy?
- A.It is dark
- B.It is heavy
- C.It does not pollute the air
- D.It makes smoke
15.
A toy car needs energy from a ___ to move.
- A.Battery
- B.Sticker
- C.Colour
- D.Picture
Section B — Challenge / Olympiad (2 marks each)
5 × 2 = 10 marks
16.
Even the energy in coal first came from the Sun, because coal formed from ancient…
- A.Wind
- B.Rocks
- C.Rain
- D.Plants that used sunlight
17.
A cyclist pedalling a dynamo lights a lamp. The change is muscle energy to electricity to…
- A.Rock
- B.Food
- C.Sound
- D.Light
18.
LED bulbs are better than old bulbs because for the same light they use…
- A.Less electricity
- B.More electricity
- C.More water
- D.More fuel
19.
Energy stored in food, batteries or fuel, ready to be used, is called…
- A.Sound
- B.Light
- C.Stored (potential) energy
- D.Colour
20.
Energy stored in fuels like coal, wood and petrol is a form of ___ energy.
- A.Chemical
- B.Sound
- C.Light
- D.Wind
Answer Key
Section A — Multiple Choice (1 mark each)
- (D) Heat energy
- (A) Solar energy
- (C) Motion
- (D) Not in use
- (C) Sound energy
- (B) Motion (and wind)
- (A) Light energy
- (D) Food
- (D) Movement and heat
- (C) Electricity
- (B) Light energy
- (D) Run out
- (B) Food
- (C) It does not pollute the air
- (A) Battery
Section B — Challenge / Olympiad (2 marks each)
- (D) Plants that used sunlight
- (D) Light
- (A) Less electricity
- (C) Stored (potential) energy
- (A) Chemical
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