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Make an Electromagnet - Frugal Fun For Boys and Girls
Make an Electromagnet - Frugal Fun For Boys and Girls
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Building an Electromagnet
Lifting Power of Electromagnet - Ways to Increase Magnetic Field Strength | HVR MAG
Making an electromagnet — Science Learning Hub
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Make an Electromagnet - Frugal Fun For Boys and Girls
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Build an Electromagnet! | Great Basin Observatory
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