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

Law of energy states that energy ______.

cannot be created but can be destroyed

can be created but cannot be destroyed

can be created or destroyed

cannot be created or destroyed

2 / 10

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

Stretching a rubber band

Dropping a pencil.

Rolling a bowling ball.

Turning on a light bulb.

3 / 10

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

Total energy 'increases'

Total energy 'decreases'

Total energy 'remains constant'

First the energy 'increases then it decreases'

4 / 10

Joule is a unit of _______.

Power

Force

Work

Momentum

5 / 10

What is the unit of 'Power'?

Coulomb

Newton

Joule

Watt

6 / 10

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

720 Joules

360 Joules

120 Joules

60 Joules

7 / 10

Thermal energy is ________.

Both kinetic and potential energy

Kinetic energy

Potential energy

Neither kinetic nor potential energy

8 / 10

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

Solar Cell

Battery

Air-conditioner

Loud Speaker

9 / 10

An object that has kinetic energy must be _______.

transferred

lifted above the earth surface

at rest

in motion

10 / 10

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

100 Joule

1000 Joule

6000 Joule

600 Joule

Please enter your name below.

Name

Your score is

Exit

← Science Quiz Index Quiz on Forces →