Year 8 Science Term 2 Consolidation

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Across
  1. 3. Melted rock that has erupted from the earth and sits on the surface
  2. 5. The name for melted rock under the ground
  3. 6. The digging up of ore or minerals from the ground
  4. 9. The movement of soil and weathered material from one place to another
  5. 10. The term used to describe the process of breaking down rocks by natural processes
  6. 11. A type of Igneous rock that has small crystals, cools quickly and forms on the surface of the earth
  7. 12. The name for melted rock
  8. 14. tiny rock particles broken down by wind or water
  9. 17. A type of rock formed when heat and/or pressure causes changes in crystals, forming a new type of rock.
  10. 18. A type of erosion caused by the action of the sea
  11. 19. Marble, Basalt, Coal Examples of rocks
  12. 20. The deepest layer of the earth (middle of the earth)
  13. 21. A type of mine used when ore is deep in the ground
Down
  1. 1. These are weak spots in the earth’s crust that crack and allow magma to flow to the surface
  2. 2. A type of Igneous rock that has large crystals, cools slowly and forms underground
  3. 4. The top layer of the Earth
  4. 7. A type of rocks that is made from fire and formed when melted rock cools and hardens
  5. 8. A type of rock that is layered, it’s formed by sediments being compressed and cemented.
  6. 13. When a mine is no longer being used and the land gets returned to its original state or better
  7. 15. A type of erosion where sand grains or topsoil is carried away
  8. 16. A type of mine used when ore is close to the surface and over a large area
  9. 17. These make up rocks, they contain 1 or more elements and can be mined as ores
  10. 22. Rocks that are mined from the Earth