MGH Chapter 4 Energy and Circuits Test Review

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow through it easily. Examples include rubber and glass.

Front

Which material is a great insulator of electricity?

Back

Rubber is a great insulator of electricity.

Front

What is a complete or closed circuit?

Back

A complete or closed circuit is a path through which electricity can flow without interruption.

Front

What is the source of energy for the sound that a flute makes?

Back

The sound from a flute is produced by the flutist blowing air over the hole of the flute.

Front

What does it mean if something conducts electricity?

Back

If something conducts electricity, it allows electricity to flow through it easily.

Front

Fill in the blank: A flashlight changes electrical energy to __________ energy.

Back

light

Front

Fill in the blank: A flashlight changes __________ energy to light energy.

Back

electrical

Front

True or False: If something conducts electricity, it blocks the flow of electricity.

Back

False

Front

What is an example of a conductor?

Back

Copper is an example of a conductor.

Front

What is energy?

Back

Energy is the ability to do work or cause change.