Unit 2 Vocabulary (Energy, Circuits, and Light)

Front

What is the energy of motion called?

Back

Mechanical energy.

Front

What do we call the bouncing back of light rays from a surface?

Back

Reflection.

Front

What type of energy is produced by vibrations?

Back

Sound energy.

Front

What is the form of energy that our eyes can detect?

Back

Light energy.

Front

What is the path through which an electric current can flow?

Back

Closed (complete or working) circuit.

Front

What is the term for a material that allows electricity to flow through it?

Back

Conductor.

Front

What is the term for a material that does not allow electricity to flow through it?

Back

Insulator.

Front

What is the energy that comes from the sun called?

Back

Solar energy.

Front

What is the term for the bending of light as it passes from one medium to another?

Back

Refraction.

Front

What is the unit of measurement for energy?

Back

Joule.