Chapter 21 Lesson 1-2 Crossword Puzzle

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Across
  1. 3. the hottest planet in the solar system
  2. 5. the time taken for one complete obit is called
  3. 6. the smallest planet is
  4. 7. is the inner planet supporting life
  5. 9. planets mostly made of hydrogen and helium
  6. 10. what oval shaped object made of gas,dust, and ice obits the sun
Down
  1. 1. What are the planets called closest to the sun
  2. 2. what is the unit used to state the distance from the earth to the sun
  3. 4. which inner planet has a reddish color caused by iron oxide in soil
  4. 8. what is the name of the small rocky object between Mars and Jupiter