Electricity and magnetism

1. You need electricity to turn on lights.

2. If there's a thick thing between the magnet and the iron or steel the chances of sticking will be bad.

3. If you put a nail on a donut magnet, then the nail turns out to be a temporary magnet. The nail can stick to things because it turns to a temporary magnet.

4. Magnets can stick through things.

5. Magnets have a north pole and a south pole

5.1. North poles and North poles repell

5.1.1. south poles and north poles attract

6. Magnets only stick to things with steal or iron.

7. Magnetism has a magnetic field .

8. If there is a thin item between a magnet and the iron and steal, there is a likely chance to be sticked