Unit 10 Electricity and Magnetism Quiz 2

A path along which electric charges flow is called a(n) ______.

• circuit

• conductor

• insulator

• magnet

An object that attracts iron and a few other metals is called a(n) ______.

• circuit

• conductor

• insulator

• magnet

A device that changes electrical energy into mechanical energy is a(n) ______.

• generator

• electric motor

• insulator

• magnet

A material through which electricity travels easily is called a(n) ______.

• circuit

• conductor

• insulator

• magnet

The buildup of electric charges on an object is called ______.

• static electricity

• electric current

• circuit

• conductor

A material that resists the movement of electricity through it is called a(n) ______.

• circuit

• conductor

• insulator

• magnet

A device that produces an electric current by converting mechanical energy to electrical energy is a(n) ______.

• generator

• electric motor

• insulator

• magnet

The flow of electric charges along a path is called a(n) ______.

• circuit

• conductor

• electric current

• static electricity

When Lila rubs both balloons with a wool cloth, what happens when she lets the balloons hang near one another?

• They push each other away.

• They touch each other and pop.

• They touch each other and stick together.

• They are close together but do not touch.

Which explanation best describes why the hairs are attracted to the comb?

• Combing the hairs caused them to lose their static charge.

• Combing the hairs caused the comb to lose its static charge.

• Combing the hairs gave them a charge that is opposite the charge on the comb.

• Combing the hairs gave them a charge that is the same as the charge on the comb.