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Generators and Electromagnetism

Generators and Electromagnetism

Description:

Students will describe how a generator produces an electric current from the interaction of magnetic and electric field lines; they will illustrate the lines too. Students will investigate applications of magnetism and its relationship to the movement of electrical charge as it relates to electromagnets, simple motors, and permanent magnets.

Here are you notes.

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Tutorial

Electromagnetism

This video is about electromagnetism.

Source: various educators and Langhans

How generators work

Simple, but good description of how a generator works.

Source: from eHow, Steve Jones

These are the “S” in WSQ. You must have them under your video notes completed by the due date on the Unit Plan.

1. Explain how an electromagnet works.

2. If you decrease the battery voltage, what happens to the strength of the electromagnet?

3. What is a solenoid?

4. Where in the real world do you see electromagnets?

5. Explain how a generator uses electromagnetism.

6. Why do we use generators?

7. How do you make a stronger electromagnetic field?

Source: Langhans

Question- asking Higher Order Thinking (HOT) questions; use the following as your guide:

1. A question that you are still confused about (be specific, include which part of the video, etc)
2. A question that connects the videos together (i.e. asking about the relationship between the content)
3. A question you think you know the answer to, but you want to challenge your classmates with
Use your Unit Plan to help with question starters

Source: inspired by C. Kirch