Magnetism Review

Look at the picture carefully.

Which screws will be attracted?

• iron and steel screws

• iron and aluminum screws

• steel and aluminum screws

• all screws

What would happen when two north poles of magnets are placed together?

• The force will pull them together (attract).

• The force will push them away from each other (repel).

• The strength of the magnet is doubled.

What would happen when the opposite poles of magnets are placed together?

• The force will pull them together (attract).

• The force will push them away from each other (repel).

• The strength of the magnet is doubled.

True or False: All metals are attracted to magnet.

• True

• False

Where is the force of attraction the strongest on a magnet?

• above the magnet

• below the magnet

• at the poles

• in the middle

What do the lines around this magnet represent?

• North Pole

• South Pole

• Magnetic Declination

• Magnetic Field

If you cut a magnet in half, what happens to the poles?

• One half gets the North Pole, the other half gets the South Pole.

• Both halves get only a South Pole.

• Both halves get only a North Pole.

• Both halves get a North pole and a South Pole.

What is responsible for the Magnetic Field around Earth?

• The Sun

• The Earth's core

• The Earth's crust

• The Earth's mantle

Which of the following objects will not be attracted to a magnet?

• fridge

• wooden bowl

• microwave

• cooking pot

A magnetic force becomes weaker as magnets ________.

• repel

• attract

• move together

• move apart