Use a bar magnet to make a model of Earth's magnetic field and sketch its shape!
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Hints for use in your library: Add an extra magnet and sketch the magnetic fields…have patrons compare results! This activity could also be done as a "station" along with other Sun-related activities: Tape the magnet to a large (poster-size) sheet of paper and have each participant add just one or more dots. Each participant only spends a few minutes on this activity, but everyone can see the results!