Planetary Predictors of Extraterrestrial Life


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

question 1 of 3

What is thought to be the one main thing necessary for extraterrestrial life?

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. Which planets' moons are believed to have liquid water?

2. What 'kind' of life is thought to possibly exist in our solar system in places other than Earth?

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

The discovery of extraterrestrial life fascinates many people. Scientist who study this topic believe that certain circumstances are needed in order to support life forms. Use this quiz to understand what conditions are believed to be needed to sustain life and which moons and planets in our solar system meet these requirements.

Quiz & Worksheet Goals

In this assessment you'll be asked to:

  • Name the one principal thing thought to be needed for extraterrestrial life
  • Select the planets that have moons that may contain liquid water
  • Identify the type of life thought to exist in our solar system outside of Earth
  • Explain the definition of life
  • Know what planet in our solar system, besides Earth, could have have held life at one time

Skills Practiced

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

  • Reading comprehension - ensure that you draw the most important information from the related lesson on planetary predictors of extraterrestrial life
  • Information recall - access the knowledge you've gained regarding which planets are believed to have suitable conditions for life on their moons
  • Knowledge application - use your knowledge to answer questions about the conditions of Mars

Additional Learning

To learn more about possible places where life could exist, review the accompanying lesson Planetary Predictors of Extraterrestrial Life. This lesson covers the following objectives:

  • Learn about what scientists believe is required to sustain life on other planets besides Earth
  • Discuss the changes Mars has undergone
  • Describe the atmosphere and surface conditions of a number of planetary moons
  • Assess the possibility of life outside of Earth