Chapter 7 Vocab:

1234567891011121314151617
Across
  1. 3. the 4th planet from the sun
  2. 4. known for its ring system
  3. 7. small rocky particle that moves through space
  4. 8. the time it takes an object to travel once around the sun
  5. 9. a round depression formed on the surface of a planet, moon, or space object
  6. 11. the 2nd planet to the sun
  7. 12. the four planets closest to the sun
  8. 15. the four largest moons around Jupiter
  9. 17. When a planet's atmosphere traps in solar energy
Down
  1. 1. the average distance from the Earth to the Sun
  2. 2. this is what the outer planets are known as
  3. 5. small rocky particle that moves through space
  4. 6. the largest planet in the solar system
  5. 8. the time it takes an object to complete one rotation
  6. 10. a small rocky and icy object that orbits the sun
  7. 13. a meteoroid that that strikes a planet or moon
  8. 14. the closest planet to the sun
  9. 16. a meteoroid that has entered the Earth's atmosphere