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実験レシピ 磁石を熱してみよう!

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Uploaded by on Oct 18, 2009

ワオ!科学実験ナビ
http://science.wao.ne.jp

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Education

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  • 「加熱すると、原子磁石ははげしく運動してしまい、向きを制御し­ていた原子を振り切って、磁区を作るように向きが変わってしまう­。そのため、磁力を失う」だそうです。

  • なぜ?!!

    

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