Unit 2 Using Energy Test

Front

What does a pom-pom launcher do?

Back

It transforms stored energy to energy of motion.

Front

How does sound energy travel?

Back

In waves.

Front

What is the path along which electrical current flows called?

Back

Circuit.

Front

In what type of path does light travel?

Back

Straight.

Front

How do sound waves travel?

Back

Outward in all directions.

Front

What type of energy is stored in a pom-pom launcher before it is used?

Back

Potential energy.

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy, while kinetic energy is energy of motion.

Front

What are the two main types of mechanical waves?

Back

Transverse waves and longitudinal waves.

Front

What is a circuit?

Back

A closed loop that allows electrical current to flow.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.