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Electromagnets

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

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  1. Electromagnets Physics First Dr. Gupta

  2. 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

  3. Introduction ( 3 minutes) Go over drill Homework due on Friday Read out objective Dr. Gupta

  4. 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

  5. Engager- (10 minutes) Students will watch a video/ demo software to view the effect of permanent/ electromagnet on a closed coil. Dr. Gupta

  6. 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

  7. Extension : Problem solving/ Review (10 minutes) Section 15.1 Reviewing Concepts Dr. Gupta

  8. Homework due on 3/15/13 Section 15.1 Page 379 Dr. Gupta

  9. 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

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