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I need a good topic for my science fair
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Mar 28, 2019
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I need a good topic for my science fair
Physics
middle-school
Ifeanyi Echeruo
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Ifeanyi Echeruo
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ENERGY or gravity, also u could do a roller coaster thats shows gravity and energy
Krizajb
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Apr 3, 2019
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Krizajb
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