Unit 1 Module 3 Review

Front

What is the area around an electric charge where it exerts force called?

Back

Electric field.

Front

What do we call a material that allows electrons to move easily?

Back

Conductor.

Front

How can you make a temporary magnet into a permanent magnet?

Back

Heat it and then let it cool in a very strong magnetic field.

Front

What is the area around a magnet where the magnetic force acts called?

Back

Magnetic field.

Front

What metal is commonly used to make wire because it is a good conductor?

Back

Copper.

Front

What is the term for materials that do not allow electrons to move easily?

Back

Insulator.

Front

What is the invisible area around a charged object that affects other charges?

Back

Electric field.

Front

What happens to a magnetic material when it is placed in a strong magnetic field?

Back

It can become magnetized.

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows the flow of electric current, while an insulator does not.

Front

What is a magnetic domain?

Back

A region within a magnetic material where the magnetic fields of atoms are aligned.