Understanding Magnetism
Understanding Magnetism
1. If magnetism did not exist, what fundamental things would be missing from life?
.
Understanding Magnetism
2. What is a lodestone and what were some of its supposed powers?
Understanding Magnetism
3. What was the first practical application of the lodestone?
Understanding Magnetism
3. What did William Gilbert discover about pounding hot iron? About the direction of a floating needle and the nature of the earth
?
Understanding Magnetism
5. What is the fundamental source of all magnetism?
Understanding Magnetism
6. Why are most materials nonmagnetic? What makes a material magnetic?
Understanding Magnetism
6. Why are most materials nonmagnetic? What makes a material magnetic?
Understanding Magnetism
7. How does the Earth’s magnetic field protect us?
Understanding Magnetism
8. What are the Northern Lights or Aurora Borealis?
Understanding Magnetism
9. The Earth has had the same magnetic alignment for about 700,000 years—what happens to the
Earth’s alignment through history? What causes this change?
Understanding Magnetism
9. The Earth has had the same magnetic alignment for about 700,000 years—what happens to the
Earth’s alignment through history? What causes this change?
Understanding Magnetism
10. What might happen to our current magnetic field around the earth and what would be the consequences?
Understanding Magnetism
11. What is biomagnetism and how does this help animals?
Understanding Magnetism
12. What did Cornell research scientists discover when magnets were attached to pigeons’ heads?
What special ability do spiny lobsters have?
Understanding Magnetism
12. What did Cornell research scientists discover when magnets were attached to pigeons’ heads?
What special ability do spiny lobsters have?
Understanding Magnetism
13. Is their magnetic material in living organisms like bacteria and humans?
Understanding Magnetism
14. Who was Antoine Mesmer and what were some of his theories?
Understanding Magnetism
15. How does an MRI work?
Understanding Magnetism
16. What did HC Oersted discover when a current was passed through a wire by a compass?
Understanding Magnetism
17. What did Faraday discover about passing a bar magnet through a coil.
Understanding Magnetism
18. Magnets and modern technology?
Understanding Magnetism
18. Magnets and modern technology?
Understanding Magnetism
19. Explain what light is really made from
Understanding Magnetism
20. Explain how MagLev works?
Understanding Magnetism
21. Explain how magnets can help make nuclear fusion possible?
Understanding Magnetism
22. Explain how magnets are used at Fermi Lab