Sci U2.2: Noncontact Forces

Front

As the distance between two magnets increases (they get farther apart), the force between them:

Back

Decreases

Front

What kind of magnet can be turned on and off?

Back

electromagnet

Front

Components of an electromagnet?

Back

battery, insulated wire and iron nail

Front

What would happen if you took one end of the wire off the battery?

Back

The nail would no longer be a magnet

Front

LIKE poles on magnets

Back

Repel

Front

UNLIKE poles on magnets

Back

Attract

Front

Example of STATIC electricity: lightbulb, circuit, battery, lightning

Back

lightning

Front

In order for electricity to flow, the circuit must be

Back

closed

Front

Where does a magnet have the strongest magnetic field?

Back

at the poles

Front

What type of material allows charges (electrons) to easily flow through them?

Back

Conductor