Sphere's of the Earth

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Across
  1. 3. All land on Earth
  2. 4. All air on Earth
  3. 6. Erosion materials being dropped off
  4. 8. The process of weathered rock moving from one place to another
  5. 11. All water on Earth
  6. 13. The end of something
  7. 14. A large swirling storm that forms on the surface of oceans
  8. 15. An area that floods easily
Down
  1. 1. Large sheet of ice that moves slowly across the land
  2. 2. An artificial lake built for storage of water
  3. 5. All life on Earth
  4. 7. Needed for all life on Earth
  5. 9. Toxic rain caused by pollution
  6. 10. Using resources wisely
  7. 12. The planet