Unit 6 - The Earth

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