Intelligent Life in Our Universe


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question 1 of 3

This is an equation that estimate the number of communicative civilizations in the Milky Way Galaxy:

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1. SETI stands for:

2. A message that can be easily understood by extraterrestrial intelligent life forms about which we know nothing about is said to be:

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About This Quiz & Worksheet

This quiz and its corresponding worksheet will help you gauge your understanding of how scientists look for intelligent life in our universe. You will need to know about vocabulary associated with the search for extraterrestrial civilizations as well as what that search depends upon.

Quiz & Worksheet Goals

These assessment tools will enable you to test your knowledge of key terms such as:

  • The name of the equation used to calculate how many communicative civilizations may exist in the Milky Way Galaxy
  • SETI
  • A word for a message intended to be understood by unknown life forms
  • Nickname for the range of radio frequencies used to look for ET life

Skills Practiced

This quiz and worksheet will allow students to test the following learning skills:

  • Reading comprehension - ensure that you draw the most important information from the lesson on intelligent life in our universe
  • Information recall - access the knowledge you've gained regarding types of coding in messages
  • Knowledge application - use your knowledge to answer questions about the essential elements in the search for ET

Additional Learning

To learn more about how scientists look for extraterrestrial civilizations, review the accompanying lesson called Intelligent Life in Our Universe. The following objectives are covered by this lesson:

  • Identify the challenges of interstellar travel
  • Understand the methods and difficulties in communicating with extraterrestrials
  • Recognize the theories and equations related to calculating the amount of intelligent life in our galaxy