THE MOON!

12345678910111213141516
Across
  1. 1. at the center of the moon is a 700km wide _________
  2. 4. action of an object forced to hit another object
  3. 10. to turn continuously around on an axis,spin
  4. 12. we base our _____________on the moon's orbit
  5. 13. the moon is 4.5 _________________yrs. old
  6. 14. the moon is 240,000 __________ away
  7. 15. a large bowl shaped cavity on the surface
Down
  1. 2. continuous trip around a larger object
  2. 3. the moon is Earth's only natural _____________
  3. 5. these once erupted on the moon with lava flows
  4. 6. the side of the moon that we cannot see from Earth
  5. 7. this keeps the moon in orbit around the Earth
  6. 8. these crash into the moons surface regularly
  7. 9. the low lands or dark spots we see on the moon
  8. 11. an imaginary line that we use to understand rotation
  9. 16. the moon has no air, very little _____________