1. May the magnetic force field be with you!

2. Place the bar magnet on the desk top. Place the magnetic pole board filled with iron filings on top of the magnet. Gently tap the magnetic pole board. Predict in a sketch the invisible magnetic force field around your bar magnet.

3. SN

4. Begin the gentle tap! SN

5. How did your prediction match your observations?

6. S N

9. S N

10. Place the bar magnets on the desk top with like poles facing each other. Place the magnetic pole board filled with iron filings on top of the magnets. Gently tap the magnetic pole board. Predict in a sketch the invisible magnetic force field around two bar magnets with like poles facing.

11. SS

12. S S

13. How did your prediction match your observations?

14. Place the bar magnets on the desk top with unlike poles facing each other. Place the magnetic pole board filled with iron filings on top of the magnets. Gently tap the magnetic pole board. Predict in a sketch the invisible magnetic force field around two bar magnets with UNLIKE poles facing.

15. SN

16. SN

17. How did your prediction match your observations?