1. M AGNETISM About All You Need to Know

2. F ROM END TO END Magnets have two poles, or ends. Magnets have a north pole and a south pole, just like the Earth.

3. O PPOSITES ATTRACT Like poles repel, or push away. Opposite poles attract, or pull together.

4. M AGNETIC FIELD A magnetic field is the area around a magnet where magnetic force acts. The Earth has a magnetic field. This explains the moon’s position.

5. W HAT DO MAGNETS ATTRACT ? Magnets will only attract materials containing iron, nickel, cobalt, and steel. So, a magnet would not attract an aluminum soda can.

6. U SES OF MAGNETS Compasses for navigation. Screwdrivers can be magnetized. Recycling plants use huge magnets to separate steel and aluminum.