Quiz  /  Planets and the Earth's Moon Quiz

  • 1. 
    How fast does the Moon revolves around Earth (in kilometers per second)?

  • 1
  • 2
  • 10
  • 50

  • 2. 
    What is the name for planets outside our solar system?

  • dwarf planets
  • subplanets
  • exoplanets
  • asteroids

  • 3. 
    Why are exoplanets thought to be the most likely host for extraterrestrial life?

  • they may be like Earth
  • they have cities
  • stars would burn life
  • they are very close to us

  • 4. 
    What is thought to cause those spots on Uranus?

  • volcanos
  • allergies
  • storms
  • reflections of stars

  • 5. 
    Why is the Moon not considered a planet?

  • it is too small
  • it orbits Earth
  • it is too close to Earth
  • it is too large

  • 6. 
    What is the sixth planet from the Sun?

  • Saturn
  • Earth
  • Mars
  • Uranus

  • 7. 
    Which of these is not a moon of Saturn?

  • Io
  • Rhea
  • Tethys
  • Titan

  • 8. 
    Which planet is named for an ancient messenger?

  • Neptune
  • Pluto
  • Mars
  • Mercury

  • 9. 
    At 1,000 kilometers an hour, how long would it take to go from Venus to the Sun?

  • 4.7 years
  • 12.3 years
  • 21.1 years
  • 15.2 years

  • 10. 
    What is the hottest planet?

  • Venus
  • Mercury
  • Earth
  • Mars
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