crossword earth

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Across
  1. 7. the central part of the earth below the mantle.
  2. 11. the quality of a rock that is based on the sizes shapes and position of the rocks grain.
  3. 13. a principle that states that geologic change occurs suddenly.
  4. 15. the way in which a mineral reflects light.
  5. 17. the process by which wind water ice or gravity transports soil and sediment from one location to another.
  6. 18. the series of processes in which a rock forms changes from one type to another is destroyed and forms again by geologic processes.
  7. 22. the scientific study of fossils.
  8. 23. a substance made up of atoms of two or more different elements joined by chemical bonds.
  9. 25. a funnel shaped pit near the top of the central vent of a volcano.
  10. 27. a vent or fissure in the earths surface through which magma and gases are expelled.
  11. 30. a block of lithosphere the consist of the crust and the rigid outermost part of the mantle.
  12. 33. a principle that states that geologic processes that occurred in the past can be explained by geologic process.
  13. 35. the thin and solid outermost layer of the ear above mantle.
  14. 36. the layer of rock between the earths crust and core.
  15. 37. a volcanic active area of earths surface far from a tectonic plate boundary.
  16. 42. a mineral that contains a combination of silicon oxygen and one or more metals.
  17. 43. rock that forms as a result of volcanic activity at or near the earths surface.
  18. 44. any method of determining whether an event or objects.
  19. 45. the process in which material is laid down.
Down
  1. 1. a mineral that does not contain compound of silicon oxygen.
  2. 2. the manner in which a mineral breaks along either curved or irregular surface.
  3. 3. the strong lower part of the mantle between the asthenosphere and the outer core.
  4. 4. the texture of metamorphic rock in which the mineral grains are arranged in planes of bands.
  5. 5. the process in which sedimentary rocks are arranged in layers.
  6. 6. an opening at the surface of the earth through which volcanic material passes.
  7. 8. the solid outer layer of the earth consist of the crust and rigid upper of the mantle.
  8. 9. the process of returning land to the original condition after mining it completed.
  9. 10. a natural material to be mined profitably.
  10. 12. the body of molten rock that feeds a volcano.
  11. 14. a naturally occurring solid mixture of one or more minerals or organic matter.
  12. 16. an arrangement of rock layers in which the oldest rocks are at the bottom.
  13. 18. an area of deep cracks that form between two tectonic plates that are pulling away from each other.
  14. 19. a principle that states that younger rocks if the layers have not been disturbed.
  15. 20. a naturally formed inorganic solid that has a definite crystalline structure.
  16. 21. a wide flat land form that results from repeated nonexplosive eruptions of lava that spreads over a large area.
  17. 24. the texture of metal morphic rock in which the mineral grains are not arranged in planes or bands.
  18. 26. rock formed from the cooling and solidification of magma beneath the earths surface.
  19. 28. a measure of the ability of mineral to resist scratching.
  20. 29. the ratio of the mass of substance to the volume to the substance.
  21. 31. a solid whose atoms ions or molecules are arranged in a definite pattern.
  22. 32. a large semicircular depression that forms when the magma chamber below a volcano partially empties and causes the ground above to sink.
  23. 34. layers of rock.
  24. 38. the color of the powder of a mineral.
  25. 39. the soft layer of the mantle on which the tectonic plates move.
  26. 40. the splitting of a mineral along smooth flat surfaces.
  27. 41. a substance that can not be separated or broken down into simpler substances by chemical means.