Unit 8 Review

Front

What is electrical energy?

Back

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

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

How does a remote-controlled car use energy?

Back

A remote-controlled car uses electrical energy from its battery to produce mechanical energy, allowing it to move.

Front

What does a computer monitor do with electrical energy?

Back

A computer monitor transforms electrical energy into light energy and heat energy.

Front

What is the function of a solar panel?

Back

A solar panel converts light energy from the sun into electrical energy that can power appliances.

Front

What is wind power?

Back

Wind power is energy generated from the wind, which turns turbines to convert mechanical energy into electrical energy.

Front

What happens when a phone rings?

Back

When a phone rings, electrical energy is transformed into sound energy.

Front

What is the relationship between energy transformations?

Back

Energy transformations occur when energy changes from one form to another, such as electrical energy to mechanical energy.

Front

What is an example of energy conservation?

Back

Using wind power to generate electricity is an example of energy conservation, as it reduces reliance on fossil fuels.

Front

What is light energy?

Back

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