Uses of Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as mechanical, electrical, thermal, and sound energy.

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion (kinetic energy) or its position (potential energy).

Front

Can you name two examples of mechanical energy?

Back

A moving car and a drawn bow are examples of mechanical energy.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It powers devices like lights and fans.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy of moving particles.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves. It is how we hear sounds.

Front

What is light energy?

Back

Light energy is the energy that is visible to the human eye. It is produced by sources like the sun and light bulbs.

Front

How does a fan use energy?

Back

A fan uses electrical energy to create mechanical energy, which causes the blades to spin and move air.

Front

What type of energy does a bicycle use?

Back

A bicycle primarily uses mechanical energy when it is pedaled and moves.

Front

What happens when you hit a drum?

Back

When you hit a drum, you use mechanical energy to create vibrations in the drum skin, producing sound energy.