6th Grade Science Review Part 1

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Across
  1. 5. The layer of soil in which most plants germinate and where roots grow
  2. 6. the amount of energy released from an earthquake
  3. 8. the point on the surface of the earth directly above the focus of an earthquake
  4. 9. A cave formation that builds on the floor of a cave; made from the dripping of dissolved calcite
  5. 11. a machine used to detect, time, and measure the movements of the earth
  6. 13. Energy that is produced by collecting sunlight through solar panels
  7. 16. An energy resource formed from the remains of plants and animals
  8. 20. Ash released by a volcano
  9. 21. Small particles produced by weathering rock
  10. 24. Electricity generated by water
  11. 28. A fossil fuel used to heat homes and produce electricity; means "liquid rock" and is the same as crude oil
  12. 30. The smallest particle of soil; holds nutrients and water but does not have room for air
  13. 31. One of the three main categories of rock formed as magma and lava harden
  14. 32. The molten rock and gases beneath the earth's surface
  15. 33. A factory that separates crude oil into products such as gasoline, kerosene, and diesel fuel
  16. 34. An ice sheet that reaches the ocean and continues to float over the water
  17. 36. A piece of glacier or ice sheet that breaks into the ocean and floats independently
  18. 37. Renewable- A natural resource that can be used and replaces in a short amount of time | Nonrenewable- take a long time to replace
  19. 42. Water stored beneath the surface of the earth
  20. 44. The sediment that a stream carries
  21. 51. The opening in the surface of the earth through which lava flows
  22. 52. The process of breaking down rocks into smaller and smaller pieces
  23. 55. the beginning point of an earthquake; the location from which energy waves are sent
  24. 57. A concentrated area of specific minerals that have melted and separated into layers
  25. 58. The funnel-shaped mound of a volcano
  26. 59. A fossil fuel formed from plant material that was quickly buried in sediment
  27. 60. A mixture of cinder, ash, and rock
  28. 62. The process of breaking down rocks
  29. 64. A solid substance found naturally in the earth's surface, has never been an organic substance
  30. 65. Electricity generated from heat within the earth
  31. 66. The materials on Earth available for our use, including soil, water, air, minerals, and fossil fuels
  32. 67. A spring that periodically blows steam and hot water into the air
  33. 68. All of the earth's water found in lakes, streams, rivers, soil, ground-water, and the air
  34. 69. The multiple layers of soil
  35. 70. gas that occurs in nature
Down
  1. 1. Water that rises to the earth's surface as it is heated by a magma pool
  2. 2. Layers of sand, gravel, or bedrock, that hold, or move ground water
  3. 3. A tiny particle of soil that allows water and air to mix in the soil
  4. 4. Giant ocean wave caused by an earthquake, volcano, or landslide occurring under or near the ocean
  5. 6. One of the three main categories of rock formed deep below the earth's crust by heat and pressure
  6. 7. Chemicals produced from oil
  7. 9. The set of steps that should be used in all science experiments or investigations
  8. 10. Soil that has properties of all three soil particles-- sand, silt, and clay
  9. 12. the vibrations that flow out from the focus of an earthquake
  10. 14. The area at the mouth of a river where sediment is deposited
  11. 15. The idea that Earth's crust is made up of moving plates
  12. 17. The path that water takes as it travels from land to sky and back
  13. 18. The layer of soil that contains nutrients from the humus that have washed down through the upper layers and weathered minerals from the parent rock below
  14. 19. An avalanche of red-hot dust and gases that races down the sides of some volcanoes
  15. 21. The process of separating metal from the other material in which it is found
  16. 22. The bowl shape at the top of a main vent through which lava flows
  17. 23. An educated guess
  18. 25. A weak acid formed from water and carbon dioxide
  19. 26. A holding area of water located behind a dam
  20. 27. Erosion that occurs where gravity is the primary factor
  21. 29. Able to be dented or shaped
  22. 35. The layer underneath the soil that consists of unweathered rock; also called regolith
  23. 38. A vehicle, such as gravity, water, wind, or ice that causes erosion
  24. 39. One of the three main categories of rock formed when layers of sediment and organisms harden
  25. 40. Method of plowing in which farmers plow with the shape of the land
  26. 41. The amount of each kind of particle in a soil sample
  27. 43. The crust and upper area of the earths mantle
  28. 45. The largest particle of soil. It doesn’t retain water in the soil
  29. 46. A cave formation that hangs from the ceiling of a cave; made from the dripping of dissolved calcite
  30. 47. Material that has a usable amount of metal in it
  31. 48. Electricity generated from the movement of the air
  32. 49. a break in the earth's surface along which rock can move
  33. 50. The dropping of sediment and rocks in a new location by gravity, wind, water, or ice
  34. 51. A crack in the earth's crust through which molten rock comes to the surface
  35. 53. The process of decomposing rocks into new substances
  36. 54. The changing and transforming of the rock as it undergoes weathering, heat, and pressure
  37. 56. An event that occurs when rocks along the plate boundaries shift suddenly and release their stored energy
  38. 61. A large piece of the earths crust that floats on the melted rock in the earths mantle
  39. 63. A volcano that occurs where a pool of intensely hot magma rises toward the surface, melting rock until it breaks through the crust