Erics crosswords

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Across
  1. 4. rocks igneous rocks that forms when magma cools below the earths surface
  2. 5. scale a scale used to measure the hardness of a mineral
  3. 7. igneous rocks that forms when magma cools on the earths surface
  4. 9. the braking of rocks by water , snow , ice , chemicals , gravity or plant roots
  5. 12. a layer of sediment or sedimentary rocks
  6. 13. molten rock that is located beneath the surface
  7. 14. fine-grained material surrounding larger grains in a sedimentary rocks
  8. 15. molten rock that flows out onto the earths surface
  9. 16. the solid outmost of the earth
Down
  1. 1. the movement of weathered rocks and soil
  2. 2. a loose rock larger than 256 millimetres ( 10 inches)
  3. 3. a scientist who studies geology
  4. 6. layers, or bands in a rocks
  5. 8. the huge mass in the very centre of the earth mostly of iron and nickel
  6. 10. substance that cannot be broken into other substances
  7. 11. rock a rock formed when molten rock has cooled and solified
  8. 14. melted