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4-PH08

Electromagnetic Bolts

Physics, Astronomy, and Mathematics
Ryan Campbell

Grade:
4
Teacher:
Kamree Cady

"I tested different size bolts and different amount of coils by hooking up a battery and seeing how many paper clips the electromagnet would pick up. I found out that a long bolt with the most coils made the strongest electromagnet. I chose this because I like learning about electricity. Electromagnets are important because they are used in lots of technology."


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