Earth's Changing Surface Crossword

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Across
  1. 2. type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions
  2. 6. process in which sediment is laid down in new locations
  3. 7. type of rock that forms from the cooling of molten rock at or below the surface
  4. 11. type of weathering that does not involve any change in a rock's composition
  5. 12. type of resource that can not be replaced over time
  6. 13. process by which wind, water, ice and gravity transport soil and sediment from one location to another
  7. 16. agriculture where long term productive methods are used
  8. 19. series of process on the surface and inside Earth that slowly changes rocks from one kind to another
  9. 20. naturally occurring solid material from with metal can be extracted
  10. 21. breaking down of rocks and other materials on the Earth's surface
  11. 22. image that shows the relationship between soil texture and the percentage of clay, silt, and sand
Down
  1. 1. process that converts sediment into solid rock by compaction and cementation
  2. 2. excavation of the earth for the purpose of extracting ore or mineral
  3. 3. agriculture where labor is reduced and machinery is used
  4. 4. the movement of people from rural areas to cities
  5. 5. type of rock that forms when particles from other rocks or the remains of animals and plants
  6. 8. the process of returning land to its original condition after mining is completed
  7. 9. farming strategy where a single crop is planted, year after year
  8. 10. type of resource that can be replaced over time
  9. 11. molten rock beneath earth's surface
  10. 14. downslope movement of earth materials that happen very slowly
  11. 15. type of weathering where a rock's composition changes
  12. 16. small, solid pieces of material that come from rocks or living things
  13. 17. loose covering of weathered rock and decaying organic matter
  14. 18. the number of different species in an area