1. Magnetic Fields Lab

2. 1/16/15 Magnet warm-up Notes – magnets NOVA video – magnetic storm

3. What do these things have in common?

7. Magnets!

8. Magnetism Warm-Up

9. Magnets… North and south poles Like poles __________. Opposite poles _______. attract repel

11. Magnetic Fields Like electric fields Field lines –Iron filings line up in field –More lines = stronger field

12. What makes a magnet a magnet?

13. Magnetic Domains Group of neighboring electrons’ magnetic fields

15. Permanent Magnets Domains permanently aligned Ex. – some metal alloys

16. Temporary Magnets Domains align when near a permanent magnet

17. Not Magnetic Domains never align

19. 1/21/15 Quick review Quick notes Electromagnet lab Finish NOVA video

20. What makes a magnet a magnet?

21. Magnetic Domains Group of neighboring electrons’ magnetic fields

23. Permanent Magnets Domains permanently aligned Ex. – some metal alloys

24. Temporary Magnets Domains align when near a permanent magnet

25. Not Magnetic Domains never align

26. Electromagnet Temporary magnet –Coil of wire (solenoid) –Iron core –Battery

27. Uses of Magnetism Motors Speakers Generators

28. A simple generator…

29. Hamster Power!

31. Electric Generator ME to EE Power plants Flashlights,radios,cars

32. Electromagnet Lab