Forms of energy

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion or position. It can be kinetic (energy of motion) or potential (stored energy).

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It is used to power devices like lights, computers, and appliances.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating objects and transmitted through a medium (like air or water) as sound waves.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of particles in an object.

Front

What is light energy?

Back

Light energy is a form of energy that is visible to the human eye. It is produced by the movement of photons.

Front

How does a washing machine use energy?

Back

A washing machine turns electrical energy into mechanical energy to move and clean clothes.

Front

What type of energy do radios and televisions produce?

Back

Radios and televisions produce sound energy to transmit audio and visual information.

Front

What happens to electrical energy when it is used in a toaster?

Back

In a toaster, electrical energy is converted into thermal energy to heat and toast the bread.

Front

What is the relationship between energy and vibrations?

Back

Energy caused by vibrations is known as sound energy, which travels in waves.

Front

What is an example of potential energy?

Back

An example of potential energy is a drawn bow, where energy is stored until the bowstring is released.