1. A ______________ is an object that can push or pull things.

2. A magnet must be made of ______________, nickel, or cobalt.

3. Energy or force can line up all atoms in one ______________ to magnitize a nail.

4. A magnet is strongest at its ends or ______________.

5. The space around a magnet is called a ______________.

6. Opposite poles will _______________ or pull toward each other.

7. The same or like poles will _______________ or push away from each other.

8. A _______________ is made by stroking an iron nail 100 times.

9. A _______________ uses a magnet to point to the Earth's North Pole.