おもしろ実験 逆さにすると水がこぼれるか調べてよう!

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Uploaded by on Feb 12, 2010

ワオ!科学実験ナビ
http://science.wao.ne.jp

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  • 水の表面張力によるもの

    水の表面では、粘り気が出て

    こぼれまいとする力が働くのだよ!

    小学校の高学年くらいで、習ったろー?

  • なんでだぁー?

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