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This Visualizing Magnetic Field Lines activity also includes:
- Assessment
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Magnetic fields might not be a field of dreams but they are useful. Class members observe the reactions of magnetic fields using a compass, iron filings in a paper container, and iron filings suspended in mineral oil.
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Concepts
Instructional Ideas
- Use an overhead and model what you want the class to do on their piece of paper
Classroom Considerations
- The activity requires a magnet, compass, mineral oil, and iron filings for every class member
- Before the activity, prepare a bottle of mineral oil with iron filings or steel wool for each class member
- The second resource in the 14-part series
Pros
- The activity allows the class to observe the magnetic field in both two and three dimensions
- The post-activity assessment has pupils journal the answer to several questions
Cons
- None