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.
Start the quiz and learn science with fun!

Quiz Level: Grade 7 & 8

Total Questions: 10

1 / 10

An object that has kinetic energy must be _______.

in motion

at rest

transferred

lifted above the earth surface

2 / 10

Joule is a unit of _______.

Momentum

Force

Power

Work

3 / 10

Law of energy states that energy ______.

can be created but cannot be destroyed

cannot be created but can be destroyed

cannot be created or destroyed

can be created or destroyed

4 / 10

Thermal energy is ________.

Both kinetic and potential energy

Kinetic energy

Neither kinetic nor potential energy

Potential energy

5 / 10

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

360 Joules

120 Joules

720 Joules

60 Joules

6 / 10

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

1000 Joule

100 Joule

6000 Joule

600 Joule

7 / 10

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

Rolling a bowling ball.

Turning on a light bulb.

Stretching a rubber band

Dropping a pencil.

8 / 10

What is the unit of 'Power'?

Coulomb

Watt

Newton

Joule

9 / 10

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

Solar Cell

Loud Speaker

Battery

Air-conditioner

10 / 10

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

Total energy 'decreases'

Total energy 'increases'

Total energy 'remains constant'

First the energy 'increases then it decreases'

Please enter your name below.

Name

Your score is

Exit

← Science Quiz Index Quiz on Forces →