Class members use a compass and several points to map out the magnetic field of a magnet. Pairs trace the magnetic field lines produced by a permanent magnet by positioning the compass in numerous spots around the magnet to view the magnetic field. they then draw arrows representing the compass needle.

Concepts

permanent magnets, magnetic fields, the earth's magnetic field, magnetism, magnetic poles, magnets, technology resources

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Instructional Ideas

• Do the activity on a transparency so you can project it
• Use iron filings on one of the recording sheets with the magnet underneath it to show another way to visualize the magnetic field

Classroom Considerations

• The class should understand what kinds of materials magnetic fields affect
• Fourth of an eight-part series

Pros

• The worksheet helps guide pupils as they draw the magnetic fields
• The materials list includes information on where to get the materials if you do not already have them

Cons

• None