Inner Planets Vocab

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Across
  1. 2. First planet in the solar system
  2. 5. Able to live on
  3. 7. Planets that are like Earth
  4. 10. Gases that surround a planet
Down
  1. 1. Moving repeatedly around
  2. 3. Second planet in the solar system
  3. 4. Planets that are between the sun and the asteroid belt
  4. 6. Fourth planet in the solar system
  5. 8. Third planet in the solar system
  6. 9. A celestial object that orbits around a planet