Earth Spheres

Edit Answers
123456789101112131415
Across
  1. 3. The meaning of the prefix "geo".
  2. 7. This sphere contains all the water on our planet.
  3. 8. This sphere contains all the gas on earth.
  4. 11. The four spheres constantly _________ with each other.
  5. 13. Some of the smallest living things.
  6. 15. The meaning of the prefix "bio".
Down
  1. 1. The atmosphere protects us from this.
  2. 2. This sphere contains all living forms on our planet.
  3. 4. One of the gases found in the atmosphere.
  4. 5. Molten rock flowing from a volcano.
  5. 6. This sphere is made of all the rocks and minerals. on Earth
  6. 9. The process by which the wind breaks down large rocks.
  7. 10. "Atmo" means this word.
  8. 12. The meaning of the word "hydro".
  9. 14. The process by which rivers and streams cut into the Earth's surface.