EASY
Earn 100

What are the differences between hydroelectricity and thermal electricity? Which electricity is used more?

Important Questions on Changes Around Us

EASY
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
Which of the following countries is known as country of wind?
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
State the law of conservation of energy.
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
In which of these cases is energy used up?
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
Differentiate between hydel energy and solar energy.
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
From where does your body get energy to do work?
EASY
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
We need energy to run or play.
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
The energy stored in batteries is:
EASY
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
Light is a form of _____ which gives us the sensation of sight.
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
Name three sources of energy in nature.
EASY
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes

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

flowing water stagnant water bottled water

We use _____ to generate electricity.

EASY
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes

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

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

MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
Which of these has energy stored in it?
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
Define mechanical energy. What are its two types? Give examples.
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
We get energy to run around and play from:
EASY
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
The capacity to do work is called
EASY
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes

_____ energy is stored in photo-sensitive cells.

MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
Differentiate between renewable energy and non-renewable energy.
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes

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
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
What is energy? Name any four types of energy.
MEDIUM
Science>Chemistry>Changes Around Us>Mutual Interaction Occurring Changes
Why do you need energy?