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by hsims
Sun Oct 30, 2005 1:34 pm
Forum: Preparing for the Science Fair
Topic: submarine science project
Replies: 3
Views: 12505

submarine

Thank you.
by hsims
Sun Oct 30, 2005 7:08 am
Forum: Preparing for the Science Fair
Topic: submarine science project
Replies: 3
Views: 12505

submarine science project

I need to build a submarine that will rest at the top of the water, sink, and then refloat to the top. I have to use things from home and it can't be asprin, medical supplies, cleaning material or water baloons. Any suggestions on how to get something to float, sink, and refloat? Thank you for any s...

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