Online Test — Energy & Its Forms
10 Questions • 12 min • Chapter MCQ
12:00
Question 1 of 10
hard
Why is solar energy called a clean source of energy?
It is dark
It is heavy
It does not pollute the air
It makes smoke
Explanation: Solar energy is clean — it makes no smoke or pollution.
Question 2 of 10
easy
A fan changes electrical energy into energy of…
Food
Motion (and wind)
Colour
Taste
Explanation: A fan turns electrical energy into moving air.
Question 3 of 10
medium
Energy from the Sun is called…
Solar energy
Wind energy
Sound energy
Food energy
Explanation: Energy from the Sun is solar energy.
Question 4 of 10
easy
Walking or cycling instead of using a car saves…
Colour
Fuel energy
Sound
Sleep
Explanation: Walking and cycling save fuel.
Question 5 of 10
hard
A still, stretched rubber band holds stored energy ready to…
Disappear
Be released when let go
Turn to water
Make colour
Explanation: A stretched band stores energy it releases when freed.
Question 6 of 10
hard
A drum being beaten mainly gives out which form of energy?
Food energy
Light energy
Sound energy
Cold
Explanation: A beaten drum makes sound energy.
Question 7 of 10
easy
The energy that lets us see is…
Sound energy
Light energy
Heat energy
Wind
Explanation: Light energy lets us see.
Question 8 of 10
easy
A radio changes electrical energy into…
Rocks
Food
Sound energy
Light only
Explanation: A radio makes sound from electrical energy.
Question 9 of 10
easy
We should switch off lights and fans when…
Never
Always on
It is dark only
Not in use
Explanation: Turning off unused lights saves energy.
Question 10 of 10
medium
A toy car needs energy from a ___ to move.
Battery
Sticker
Colour
Picture
Explanation: A battery stores energy to run the toy.