Unit 2 Vocabulary (Energy, Circuits, and Light)

Front

What is the bouncing back of light rays from a surface called?

Back

Reflection

Front

What is the bending of light as it moves through one medium into another called?

Back

Refraction

Front

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

Back

Closed (complete or working) circuit

Front

What is the path through which an electric current cannot flow?

Back

Open (incomplete or broken) circuit

Front

What type of energy is produced by vibrations?

Back

Sound energy

Front

What is the energy that travels in waves and can be seen by the human eye?

Back

Light energy

Front

What is the term for the flow of electric charge?

Back

Electric current

Front

What is a circuit that has a break in it, preventing current from flowing?

Back

Open circuit

Front

What is a circuit that allows electricity to flow freely?

Back

Closed circuit

Front

What is the energy associated with the motion and position of an object?

Back

Mechanical energy