Mercury and Venus

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Across
  1. 3. Venus is the ________ planet in the solar system
  2. 5. Mercury has _________ moons
  3. 8. In terms of size, Mercury is the __________ planet in the solar system
  4. 10. Mercury is one of the 4 inner or ________ planets
  5. 12. Mercury is named after the Roman ________ god
  6. 14. Mercury's axis is only tilted _____ degrees
  7. 15. the atmosphere on Venus is so hot because CO2 is a ___________ gas
Down
  1. 1. Mercury has an extremely thin ___________
  2. 2. Life may exist in the ________ of Venus
  3. 4. Unlike Earth, Mercury does not have __________
  4. 6. The length of one year on Mercury is _________ than the length of one year on Earth
  5. 7. Because it is so bright, Venus is often mistaken as a _________
  6. 9. Mercury is the _________ planet from the Sun
  7. 11. In terms of speed, Mercury is the _________ planet in the solar system
  8. 12. Mercury is similar in size and appearance to the _________
  9. 13. Day/Night temperatures on Mercury are very _______