EASY
Earn 100

How is the energy obtained from water different from that obtained from wind?

Important Questions on Force, Work and Energy

MEDIUM
The energy produced by converting one microgram of matter completely into energy will be
MEDIUM
In which of these cases is energy used up?
MEDIUM
State the law of conservation of energy.
MEDIUM
Differentiate between hydel energy and solar energy.
HARD
Can you suggest some things other than food, petrol and batteries that have energy stored in them?
MEDIUM
Define mechanical energy. What are its two types? Give examples.
EASY
Light is a form of _____ which gives us the sensation of sight.
EASY

Choose the correct answer from the box and fill in the blank.

flowing water stagnant water bottled water

We use _____ to generate electricity.

MEDIUM
Name three sources of energy in nature.
EASY

Choose the correct word from the bracket and fill in the blank.

_____ (Solar/ Wind) energy is used to operate flour mills.

MEDIUM
From where does your body get energy to do work?
MEDIUM
We get energy to run around and play from:
EASY

_____ energy is stored in photo-sensitive cells.

MEDIUM
Differentiate between renewable energy and non-renewable energy.
MEDIUM

In the boxes, write F for things that get energy from food; E for things that get energy from electricity; and L for things that get energy from the fuel.

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MEDIUM
What is energy? Name any four types of energy.