Inner Planets

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Across
  1. 1. hottest planet
  2. 3. Mercury is made of mostly _________
  3. 5. Mars has huge dust _______
  4. 7. Planet with one moon
  5. 8. Mars named after Roman God of _______
  6. 10. Earth's _____ take 365 days
  7. 11. the smallest planet
Down
  1. 1. Venus has a lot of _______
  2. 2. Mercury is 4.5 ________ years old
  3. 4. -81 degrees F is the _____ on Mars
  4. 6. 70% of the Earth's surface
  5. 9. Venus named after Goddess of beauty and _______