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Opis

Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life.

Uzorak ciljeva učenja

  • Explain what happens in alpha radiation.
  • Predict what happens to an element when it undergoes alpha decay.
  • Explain the concept of half life, including the random nature of it.
  • Begin to gain an understanding of the forces that work to hold an atomic nucleus together (strong nuclear force) and the forces that work to break it apart (Coulomb, i.e. electric charge, force).
Verzija 3.27

Savjeti učitelja

Download teacher tips PDF Pregled kontrole simulacije, pojednostavljenje modela i uvid u učenička razmišljanja ( PDF ).

Aktivnosti predane od strane učitelja

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Dizajnerski tim Biblioteke treće strane Zahvale
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