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The Inverse-Cube Law for Magnetism |
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By: Dr. Sten Odenwald (Astronomer) |
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Grades 6-9 |
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Students will use a Soda Bottle Magnetometer to study how the force of magnetism changes with distance. Gravity follows an 'inverse-square' law. Students will discover that magnetism follows an 'inverse-cube' law of decrease with distance. |
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