1. Wrap the wire around the nail 10 times. This will leave a large part of the wire unwrapped.

2. Connect the battery to the wires. One end of the wire will be attached to the side of the battery and the other end of the wire connect to the side of the battery. (Look on the battery for the +and-marks)

3. Bring the end of the nail near the thumbtacks/paperclips. How many are picked up?

4. Wind the wire around the nail 10 times more. The nail will be wrapped with wires 20 times. Try to pick up the paperclips/thumbtacks. How many are picked up?

5. Add more dry cells to the electromagnet. Make sure you connect the dry cells properly. Which set up attract more metals?

6.how can you pick more paperclips/thumbtacks?.​