There are two methods for making magnets: the stroking method and the electrical method. The stroking method involves stroking an object like an iron nail multiple times with a magnet in the same direction. The electrical method involves coiling wire around an iron nail and connecting the wire to a battery, creating an electromagnet. Both methods magnetize the object through repeated magnetic or electrical interactions.

1. Making Magnets Chapter 22

2. A magnetic object can be made into a magnet by: The Stroking Method The Electrical Method

3. The Stroking Method Also known as the Touch Method. A magnetic object is stroked many times in the same direction with a magnet.

4. The Stroking Method You will need: a magnet a magnetic object

5. Try picking up iron filings with a magnetic object, for example, an iron nail. 1 The iron filings do not cling to the nail.

6. Now, stroke the iron nail about 20 times with one pole of a bar magnet. Stroke with the same pole and always in the same direction! 2

7. Try picking up iron filings with the iron nail again. The iron filings cling to the nail! The iron nail has become a magnet. It has been magnetised! 3

8. The Electrical Method Magnets are made using electricity. Magnets made by this method are called electromagnets.

9. An electromagnet is made by coiling an electrical wire round a magnetic object, e.g. an iron nail many times. The ends of the wire are connected to a battery.

10. Never use electricity from the mains to make an electromagnet! Danger!

11. At a glance… A magnetic object can be made into a magnet by: The Stroking Method The Electrical Method

12. At a glance… The Stroking Method A magnetic object is stroked many times in the same direction with a magnet.

13. At a glance… The Electrical Method An electromagnet is made by coiling an electrical wire round a magnetic object many times. The ends of the wire are connected to a battery.