Earth science

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Across
  1. 1. rock formed from sediment deposited by water or air.
  2. 3. current movement in a gas or liquid in which the warmer parts move up and the cooler parts move down
  3. 5. Weathering the weakening of rock by plants, animals and microbes
  4. 7. Weathering the process of rockes breaking apart without changing their chemical composition.
  5. 9. a large volcanic crater, especially one formed by a major eruption leading to the collapse of the mouth of the volcano.
  6. 10. rock formed from solidification of lava or magma.
Down
  1. 2. rock that has undergone transformation by heat and pressure.
  2. 4. the arrangement of the natural and artificial physical features of an area
  3. 6. hot fluid or semi-fluid material below or within the earth's crust from which lava and other igneous rock is formed on salts.
  4. 8. plate plates which float on and travel in dependently over the earths mantle.
  5. 11. the action or process in plate tectonics of the edge of one crustal plate descending below the edge of another