Lesson Plan 2

Lesson Plan 2 - magnets? 2. Do you see any differences in...

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February 8 Introduction: Ask the students what they have learned about north and south poles and magnetic fields. Explain the experiment and the objective. Give the students a few minutes to discuss their predictions. Objective: Explain how magnetic lines are affected by other magnetic fields. Experiment: A magnet is put onto a piece of paper. Then a light dusting of iron filings is sprinkled around the magnet. The lines around the magnets are produced by the iron filings gathering together around the field lines. Two magnets placed on a piece of paper with their like poles facing each other, and iron filings are sprinkled around them. Two magnets placed on a piece of paper with their opposite poles facing each other, and iron filings are sprinkled around them. Questions 1. What is happening when iron particles are sprinkled over and around the
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Unformatted text preview: magnets? 2. Do you see any differences in the patterns in each of the three situations? If so, what differences do you see? 3. What do the patterns indicate in each situation? 4. Can you tell by these patterns where the magnetic forces might be the strongest? The weakest? 5. Can you tell by these patterns where the magnetic forces are attracting? Repelling? Conclusion: Explain what we saw in the experiment, and let the students discuss and determine if their predictions were correct. February 12 To close the segment on magnets, get the students to write in their journals what they have learned about magnets. Let the students break up into two groups and explore through the magnet boxes. Show the students an example of an electromagnet and how to make one. Wrap up the segment on magnets....
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Lesson Plan 2 - magnets? 2. Do you see any differences in...

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