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Mrs. Miller 2009. repel To push apart lodestone.

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Presentation on theme: "Mrs. Miller 2009. repel To push apart lodestone."— Presentation transcript:

1 Mrs. Miller 2009

2 repel

3 To push apart

4 lodestone

5 lodstone a type of magnetite that has magnetic polarity

6 Magnetic force

7 the push or pull of a magnet on other magnetic material

8 magnets

9 Electric motors use these to keep them moving

10 Temporary magnet

11 a magnet that doesn’t keep its magnetism

12 attract

13 to draw together

14 electromagnetism

15 when a wire is coiled around an iron core and an electric current passes through it.

16 Natural magnet

17 substances that are naturally magnetized by Earth’s magnetic field and are made of an iron material

18 compass

19 an instrument used for determining geographic direction

20 geographic

21 the pole where Earth spins causing night and day

22 Magnetic field

23 a region of space near a magnet in which a magnetic force acts

24 Permanent magnet

25 a magnet that keeps its magnetism


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