Critical Mass & Controlling Chain Reactions

Instructions:

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question 1 of 3

What is critical mass?

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1. How does a chain reaction occur in a fission reactor?

2. Which of the following is the MAIN way that nuclear reactors control chain reactions?

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About This Quiz & Worksheet

Gauge your grasp of critical mass and chain reactions by using this quiz and worksheet. Multiple-choice questions on these assessments cover concepts like the definition of critical mass and how a chain reaction occurs in a fission reactor.

Quiz & Worksheet Goals

These assessments can quickly check your understanding of the following:

  • Example of an uncontrolled nuclear chain reaction
  • Primary way that nuclear reactors control chain reactions
  • The use of control rods to slow reactions
  • Definition of 'critical mass'
  • Chain reactions in fission reactors

Skills Practiced

  • Information recall - access the knowledge you've gained regarding the main way that nuclear reactors control chain reactions
  • Defining key concepts - ensure that you can accurately define key phrases like 'critical mass'
  • Knowledge application - use your knowledge to answer questions about how a chain reaction occurs in a fission reactor and how control rods slow reactions

Additional Learning

The lesson called Critical Mass & Controlling Chain Reactions, which accompanies this quiz and worksheet, can help you gain a quality understanding of the following:

  • How the process of nuclear fission works
  • How a nuclear reaction starts
  • Amount of time a chain reaction lasts
  • Why chain reactions can be dangerous
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