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Electromagnets. Physics First. Drill. 1. What is a permanent magnet? Give 3 examples of permanent magnets. 2 . What the poles of a magnet? How many 3 . Like poles _________ but unlike poles __________. Introduction ( 3 minutes).

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electromagnets

Electromagnets

Physics First

Dr. Gupta

drill
Drill

1. What is a permanent magnet?

Give 3 examples of permanent magnets.

2. What the poles of a magnet? How many

3. Like poles _________ but unlike poles __________

Dr. Gupta

introduction 3 minutes
Introduction ( 3 minutes)

Go over drill

Homework due on Friday

Read out objective

Dr. Gupta

objective
Objective

Students will be able to conduct an experiment to study

a. the effect of electromagnet on a permanent magnet and also

b. to compare the electromagnet to a permanent magnet,

in order to understand the role of magnets in every electrical devices that creates motion.

Dr. Gupta

engager 10 minutes
Engager- (10 minutes)

Students will watch a video/ demo software to view the effect of permanent/ electromagnet on a closed coil.

Dr. Gupta

exploration 35 minutes
Exploration : (35 minutes )

Students will carry out experiments ( 15.2 Electromagnets, page 117-118 of Investigation physics) to study

  • the effect of electromagnet on a permanent magnet and also
  • to compare the electromagnet to a permanent magnet.
  • Explanation: Students will explain and write down their observation as per “ Thinking about what you observed”

Dr. Gupta

extension problem solving review 10 minutes
Extension : Problem solving/ Review (10 minutes)

Section 15.1 Reviewing Concepts

Dr. Gupta

homework due on 3 15 13
Homework due on 3/15/13

Section 15.1

Page 379

Dr. Gupta

exit ticket
Exit ticket

1. The north pole of a permanent magnet ________ south pole of another magnet (attracts/repels). 2. The south pole of a permanent magnet ________ north pole of another magnet (attracts/repels). 3. What is an electromagnet?

Dr. Gupta