The Terrestrial Planets

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Across
  1. 2. What liquid did Venus used to have on its surface?
  2. 4. Earth’s surface is made up of _________ which move on Earth’s crust.
  3. 6. Mercury takes approximately fifty-eight days to ______.
  4. 9. True or False- Mercury is covered in craters.
  5. 13. Mars’ atmosphere is made of mostly what gas?
  6. 14. Mercury is the ______ planet to the Sun.
  7. 15. Mars is red because it is made of what material?
  8. 16. True or False- Mercury has little to no atmosphere.
Down
  1. 1. Venus takes approximately 225 days to _____ around the Sun.
  2. 3. The ______ on Venus can reach 465 degrees Fahrenheit.
  3. 5. The Earth takes approximately ____ days to revolve around the Sun.
  4. 7. Earth’s atmosphere is mostly made of oxygen, carbon dioxide, and ____________.
  5. 8. The sulfuric ____ that rains from Venus is really toxic.
  6. 10. Mars has the most similar rotation time to which other terrestrial planet in the solar system?
  7. 11. Earth has _____ moon(s).
  8. 12. Olympus Mons is the largest _______ on Mars.