Electric and Magnetic Forces

The flow of electric charge through an object

• electromagnetic force

• shocking

• current

A compass needle shows us the magnetic field of

• the sun

• Earth

• the moon

• a magnet that is near by

Which electromagnet is stronger?

• A

• B

Looking at the field lines in this picture, these two magnets are ________

• Attracting

• Repelling

• Attracting and Repelling

• Doing nothing

What will the magnets in the picture do?

• Attract each other

• Repel each other

• Both attract and repel

• Neither attract nor repel

Which electromagnet will pick up LESS paper clips?

• A

• B

As the distance between magnets increases, the attraction between them will –

• Increase

• Become stronger

• Decrease

• Stay the same

An area where magnetic materials are attracted or repelled by the magnet.

• corn field

• magnetic field

• electromagnetic

What will happen if the north ends of two magnets are placed near each other?

• They will attract each other.

• Both magnets will get weaker.

• They will repulse (repel) each other.

• Nothing will happen.

Electromagnets create magnetic fields because they

• are magnets

• are compasses

• have moving particles with electric charge