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when things get hot,Why do they rise?

2007-09-24 13:23:10 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology

2 answers

Because they become less dense.

2007-09-24 13:53:11 · answer #1 · answered by Amphibolite 7 · 1⤊ 0⤋

because the molecules expand with heat/energy. making them "lighter".

2007-09-24 20:31:18 · answer #2 · answered by andy h. 4 · 0⤊ 0⤋

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