Magnetism

A magnet is strongest at the poles

• True

• False

Which substance would be attracted to a magnet?

• Silver

• Gold

• Iron

• Lead

Which of the following is NOT a magnetic pole?

• South

• North

• East

What happens when two north poles of a magnet are placed together?

• They attract

• They repel

• They cancel each other out

• The strength of the magnet is doubled

What happens when the north pole and south pole of a magnet are placed together?

• They attract

• They repel

• They cancel each other out

• The strength of the magnet is doubled

Magnets attract to all metals

• True

• False

Which of the following is a property of magnets?

• Same poles attract

• All magnets have one pole

• All magnets are made of copper

• All magnets are surrounded by a magnetic field

What characteristics do magnetic substances have?

• They can give a "shock" when you touch them

• They can push or pull objects they are not touching

• They are always black and cold to touch

• They fall faster than other objects when you drop them

What materials found in Earth's core have magnetic properties?

• Refrigerator magnets

• gold and silver

• water

• iron and nickel

What is our best evidence that Earth has a magnetic field?

• All things fall toward Earth's center

• A compass needle lines up with it

• Winds blow from east to west

• Earth's oceans all have currents