Video Questions to Accompany: Understanding: Magnetism

The Smallest Miracle

1. How important is magnetism?

2. Science began with what civilization?

3. Name one early belief about lodestone's powers.

4. A moving electric charge creates what?

5. A clump of atoms whose N poles line up in the same direction form a ___.

6. Of what health benefit to us is the earth's magnetic field?

7. Why do the Northern Lights form at the earth's poles?

8. What indicates that we heading toward another magnetic reversal?

A Sixth Sense

9. Name one land and one sea creature that use biomagnetism for navigation.

10. What evidence shows that even microorganisms are sensitive to magnetic fields?

11. Name some uses to which MRI images can be put.

Revolutions and a Revolution

12. Who first studied the effect of electrical current flowing in a wire on the behavior of a nearby compass?

13. Magnetism is all around us. It is at work in what devices used during the shooting of the movie scene?

14. One teaspoon of iron oxide (rust), if applied as the coating on just one floppy disc, can contain how much information from the ancient world?

15. A light ray contains what types of energies vibrating at 90⁰ to each other?

Magnetic Journey

16. What forces support and move a MagLev train?

17. What equation describes why a tiny mass decrease during fusion results in enormous amounts of energy?

18. What type of device is used to contain super hot plasma during fusion experiments?

Attractive Universe

19. Fermilab is attempting to answer what basic cosmological question?

20. What theorized event is it attempting to study?

21. Name the fundamental forces of nature.

22. What "holy grail" is sought by theoretical physicists?