Physics

9th -

10thgrade

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Radioactive decay and nuclear fusion/fission

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15 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    The splitting of a nucleus into smaller nuclei is
    fusion
    fission
    decay
    gamma radiation
  • 2. Multiple Choice
    5 minutes
    1 pt
    Which of these statements correctly describes how the chain reaction occurs in nuclear fission.
    Uranium releases electrons to create   electricity
    When a nuclear fission reaction occurs, the electrons emitted can strike other nuclei in the sample, and cause them to split
    When a nuclear fission reaction occurs, the neutrons emitted can strike other nuclei in the sample, and cause them to split
     Protons and neutrons change to electrons because the nuclei are so big
  • 3. Multiple Choice
    1 minute
    1 pt
    Which type of radioactive decay gives off energy only?
    alpha
    beta
    gamma
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