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Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.
1. Place the iron needle on the table.
2. Place of a bar magnet near one edge of the iron needle.
3. Till you reach the other end, along the of the iron needle.
4. Now, bring the pole to the of the iron needle and move it in the again.
5. Note that the pole of the magnet and its direction .
6. Repeat this process around .
7. Now, check whether it has become a magnetic compass by in a water-filled container.
8. The needle will align itself in direction.
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