Chapter 1-2 lesson 3 cross word puzzle

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Across
  1. 3. closest planet to the sun
  2. 5. known as the Red Planet
  3. 7. takes an object to travel once around the sun
  4. 9. Takes approximately 365 days to rotate around the sun
  5. 10. small,rocky objects that orbit the sun
Down
  1. 1. planets closest to the sun,made of rock and metal,have solid outer layers
  2. 2. takes an object to COMPLETE one rotation
  3. 4. when a plant' atmosphere traps solar energy and causes the surface temperature to increase
  4. 6. gas,dust,and ice objects around the sun
  5. 8. hottest planet in the solar system