Critical Mass & Controlling Chain Reactions


Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is critical mass?

Create Your Account To Take This Quiz

As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

Try it risk-free
Try it risk-free for 30 days. Cancel anytime
Already registered? Log in here for access

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?

Create your account to access this entire worksheet
A Premium account gives you access to all lesson, practice exams, quizzes & worksheets
Access to all video lessons
Quizzes, practice exams & worksheets
Certificate of Completion
Access to instructors
Create an account to get started Create Account

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