Revision

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Across
  1. 5. Made from small pieces of rock, air, water, and humus
  2. 6. Change from liquid to water vapor (gas)
  3. 7. Melted rock inside the Earth's crust
  4. 8. Melted rock that has flowed onto Earth's surface
  5. 11. New islands can form as a result of this
  6. 14. An opening in Earth's crust that lava flows out of
  7. 16. Change from water vapor to liquid
Down
  1. 1. Water that falls to Earth, rain, snow, sleet, hail
  2. 2. Moon phase when the moon looks like a full circle
  3. 3. A spinning movement around an axis
  4. 4. Rocks being broken into smaller pieces
  5. 9. An imaginary line that goes through the Earth
  6. 10. Moon phase when the moon is not visible (can't see).
  7. 12. A circlular path around something
  8. 13. Large cracks in Earth's surface
  9. 15. Movement of weathered materials