Last night we went to Alex's Science Fair. He was so excited because he was selected as a District Alternate. Not bad for a first timer. His question was, "What gas will make a rocket car go the furthest, Helium or Air?
Friday, March 4, 2011
Science Fair
Last night we went to Alex's Science Fair. He was so excited because he was selected as a District Alternate. Not bad for a first timer. His question was, "What gas will make a rocket car go the furthest, Helium or Air?
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