1. What characteristics do magnetic substances have?

A. They can give a “shock” when you touch them.

B. They can push or pull objects they are not touching.

C. They are always black and cold to touch.

D. They fall faster than other objects when you drop them

2. Which material can be attracted by a magnet?

A. water B. aluminum C. iron ore D. gold

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

A. all things fall toward Earth's center C. Winds blow from east to west

B. compass needle lines up with-it D. Earth's oceans all have currents

4. What is the force that pulls falling objects toward Earth?

A. gravity. C. acceleration.

B. free fall. D. air resistance.

5. What happens when two north poles of magnets are placed together?

A. They repel.

B. They attract.

C. They cancel each other out.

D. The strength of the magnet is doubled​