What is Extraterrestrial Life? - Forms & Signs

Instructions:

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

question 1 of 3

Which of the following ISN'T a sign that life as we know it may be present on a planet?

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1. Which of the following ISN'T (as far as we know) a possible example of life as we don't know it?

2. Which of the following ISN'T a likely candidate for life in our solar system?

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About This Quiz & Worksheet

Despite the notion of extraterrestrial life being a continuous focus of pop culture, we still haven't really come close to finding actual alien life on other planets. That doesn't mean scientists aren't trying, of course. This quiz/worksheet combo will help you test your understanding of the scientific search for extraterrestrial life. Some things you'll be assessed on include signs that life might exist on a planet, examples of what might be life as we know it, and candidates for planets holding alien life in our solar system.

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • Signs that life might exist on a planet
  • What is and is not an example of life as we know it
  • Candidates for planets holding alien life in our solar system
  • Enceladus as a good candidate for extraterrestrial life
  • The purpose of SETI

Skills Practiced

  • Information recall - access the knowledge you've gained regarding SETI
  • Knowledge application - use your knowledge to answer questions about forms and signs of extraterrestrial life
  • Interpreting information - verify that you can read information on likely candidates for life in our solar system and interpret it correctly

Additional Learning

To learn more about the scientific search for extraterrestrial life, review the accompanying lesson titled What is Extraterrestrial Life? - Forms & Signs. This lesson covers the following topics:

  • What would extraterrestrial life look like
  • Life signs
  • Extrasolar planets
  • SETI
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