Rocks

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Across
  1. 9. What is the process of moving sediments from one place to another?
  2. 10. What scale measures the hardness of a metal?
  3. 12. Every rock goes through this cycle.
  4. 13. What do scientists call the moving, broken up pieces of the earth’s crust?
  5. 15. The only material with a hardness of 10.
  6. 16. What rock cools quickly above the ground, bearing little to no minerals?
  7. 19. Happens when plate tectonics rub against each other, creating destruction around places like San Francisco, Japan, and Nepal.
  8. 21. The kind of weathering where tree roots or other organic material break down rocks.
  9. 22. One kind of sedimentary rock that is made up of many tiny pieces of rock, and mineral.
  10. 25. These rocks take a long time to cool underneath the earth’s surface.
  11. 26. This metal is found in high amounts in large leafy vegetables.
  12. 28. What rocks mean to change shape?
  13. 29. A rock made up of sand grains cemented together.
  14. 32. The scale used to measure the magnitude of an earthquake.
  15. 33. Which rocks are quickly formed above the ground, and have little to no crystals?
  16. 34. The layer of the earth that is underneath the crust.
  17. 35. The process of breaking down rocks, minerals, and soil.
  18. 37. The center of an earthquake.
  19. 39. What class of rock is light-coloured and has little silicon in it?
  20. 40. The act of hot water shooting into the air in a volcano like action.
  21. 41. The thinnest layer of the earth.
Down
  1. 1. The material used in order to make rocks.
  2. 2. What is the layer of the earth that is made up of liquid metals?
  3. 3. The layer of the earth that is made of solid metal, part of the core.
  4. 4. What do we call a non-living animal preserved in stone?
  5. 5. What is the science of finding out about the earth and what it’s made up off?
  6. 6. What kind of rock can float on water, using its little pocket of gas for help.
  7. 7. Frost-wedging is one form of this weathering..
  8. 8. What do we call an opening in the earth’s surface that erupts magma?
  9. 11. When a rock is broken in half, and the two pieces are rough or jagged, the rock has this.
  10. 14. What is the act of the continents slowly moving closer and apart?
  11. 17. The type of rocks that form from sediments of other rocks.
  12. 18. Usually occur after or during an earthquake; large area of land sliding down a mountain range.
  13. 20. The type of weathering where a rock is broken down by a chemical substance such as acid rain.
  14. 23. What does ‘morph’ mean?
  15. 24. A coarse-grained metamorphic rock derived from sandstone.
  16. 27. The result of two plate tectonics rubbing against each other, creating a spiky-like texture in the earth’s surface.
  17. 30. What is a naturally occurring solid material made up of minerals?
  18. 31. A rock has this when it is broken in half, and the sides are still smooth.
  19. 34. This type of rock is dark coloured and is made up of mostly magnesium and iron.
  20. 36. What family of rock means “born of fire”?
  21. 38. What animals produce calcite that surrounds their bodies that form massive reefs?