Exploring the Earth's Magnetic Field: #15 The Inverse-Cube Law of Magnetic Forces
Students use their "simple magnetometer" to measure the deflection of the magnetometer spot and by plotting the data, discover that magnetism follows an inverse-cube law of change.

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This activity can also be found in:
Quilt: Science Grades: 9-12: I1
Quilt: Mathematics Grades: 9-12: F2
Quilt: California Grades: 9-12: H1