Unit 6 - The Earth

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Across
  1. 2. The inner sphere of the Earth
  2. 4. Liquid metal.
  3. 6. Small particles on the bottom of the oceans formed by weathering of igneous rocks.
  4. 8. The hardest mineral.
  5. 9. The coldest layer of the atmosphere that protect Earth from meteors.
  6. 10. A natural process that breaks rocks into smaller pieces.
  7. 11. The layer of gases surrounding Earth.
  8. 12. Contains the ozone layer that absorbs and reflects UV light.
  9. 15. A river starts here.
  10. 16. When water or wind move pieces of weathered rock or soil to a different place.
  11. 17. This type of rock forms when liquid magma cools.
  12. 18. The layer that surrounds the core.
  13. 19. Small rivers and streams.
  14. 21. The outer layer of the geosphere, made of rocks and minerals.
Down
  1. 1. The curves in a river.
  2. 3. The end of a river (usually at an ocean or sea).
  3. 4. Non-living solid matter from the Earth classified by color, hardness, and lustre.
  4. 5. The part of the Earth that includes rocks and minerals.
  5. 7. The hottest part of the Earth is made of this.
  6. 9. Heat and pressure can change other rocks into this type of rock.
  7. 12. Compressed sediment forms this form of rock.
  8. 13. Extends approximately 17 km above the Earth´s surface.
  9. 14. All the water that exists on Earth.
  10. 20. Made of one or more minerals.