middle school N high school problems discussion

homework help > Science fair projects >.<

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message 1: by Salma (new)

Salma (irock-) | 8 comments Anyone have any cooool ideas for a science fair project????? something simple and wouldn't require buying any substances. Someone help me ASAP!

message 2: by [deleted user] (new)

mine is about does the color of a marker effect how long it stays on a non-porus surface(plastic)

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