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$5 - $10  
Earth structure  
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This lesson is an introduction to the use of a magnetic compass. At a specific location, learners will locate an object using a compass, identify its bearing, and others will attempt to locate the object by only knowing the bearing reading and the... (View More)

This is an activity about measuring the interplanetary magnetic field, or IMF. Learners will utilize cardboard boxes with a magnet inside to design a spacecraft, and experiment with ways to attach a magnetometer that will measure the IMF rather than... (View More)

Audience: Middle school
Materials Cost: $5 - $10 per group of students

Students will explore Earth's magnetic field using a dipole magnet and compass, and then build a model of Earth's ring current and use it to observe a magnetic field’s response to a fluctuating electric current in this hands-on investigation of... (View More)

Keywords: Magnetism
Audience: High school
Materials Cost: $5 - $10 per group of students