Physics: Basics of Energy Quiz- Grade 7 & 8

Basics of Energy Quiz

The quiz is designed for the various curriculum students such as GCSE, IGCSE, ISC, IB, ICSE, CBSE, National Curriculum England.
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Quiz Level: Grade 7 & 8

Total Questions: 10

1 / 10

Which of the following is the best example of increasing an object's potential energy?

Dropping a pencil.

Stretching a rubber band

Rolling a bowling ball.

Turning on a light bulb.

2 / 10

Which of the following device converts chemical energy in to electrical energy?

Air-conditioner

Solar Cell

Battery

Loud Speaker

3 / 10

An object that has kinetic energy must be _______.

transferred

at rest

in motion

lifted above the earth surface

4 / 10

Find the Kinetic Energy if the mass of an object is 20 kg, and the velocity is 6 m/s?

120 Joules

60 Joules

360 Joules

720 Joules

5 / 10

Law of energy states that energy ______.

cannot be created or destroyed

can be created or destroyed

cannot be created but can be destroyed

can be created but cannot be destroyed

6 / 10

How much energy does a 100 Watt electric bulb transfers in 1 minute?

600 Joule

1000 Joule

100 Joule

6000 Joule

7 / 10

Thermal energy is ________.

Potential energy

Both kinetic and potential energy

Neither kinetic nor potential energy

Kinetic energy

8 / 10

What is the unit of 'Power'?

Newton

Watt

Joule

Coulomb

9 / 10

What is the total energy when an object falls freely towards the ground?

Total energy 'increases'

First the energy 'increases then it decreases'

Total energy 'remains constant'

Total energy 'decreases'

10 / 10

Joule is a unit of _______.

Force

Power

Work

Momentum

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