Film Electromagnetism

Name ______.

Finish watching the film https://www.youtube.com/watch?v=bht9AJ1eNYc. It has several 10 minute segments. The total viewing time is 57 minutes.

Answer all the following questions based on the film. This information will be tested.

1. What is a Lodestone? Why was it important in the 1000’s?

2. What is the angle of inclination? How is it measured?

3. What did Volta create? Make a labeled sketch of his invention.

4. What did Oersted set out to prove? What did he discover when he ran a current through a wire?

1 5. What did Ampere do to contribute to Oersted’s discovery?

6. What is the purpose of the “left” hand rule in electromagnetism?

7. Use atomic theory to explain the difference between magnetic and non-magnetic substances.

8. Explain how a simple motor works. You can use a diagram if you like.

9. A simple motor converts ______energy to ______energy.

10. Explain how magnetism is used to induce a potential difference.

11. A generator converts ______energy to ______energy.