Terrestrial Planets

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Across
  1. 3. Earth has only one _________.
  2. 5. Mars’ _________ takes 24 hours and 37 minutes.
  3. 6. Mercury has a ________ mantle.
  4. 8. This planet has little to no atmosphere.
  5. 10. Venus’ surface has _________ and plains.
  6. 12. The atmosphere of this planet includes oxygen, CO2 and nitrogen.
  7. 13. Venus’ rotation takes _________.
Down
  1. 1. Mercury’s core is made of molten ________.
  2. 2. Only Earth and Mars have ___________.
  3. 4. The atmosphere on this planet is toxic.
  4. 7. The surface of this planet is red and it is filled with volcanoes, lava and craters.
  5. 9. Earth's surface is divided into __________.
  6. 11. Mars’ atmosphere is mostly made up of _____.
  7. 14. One Earth year is __________ days.
  8. 15. Venus has __________ rain.