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Core

Core. - the center of the Earth. Mantle. the middle of the Earth made up of molten (melted) rock. Crust. the surface layer of the Earth that includes the continents and oceans. Continental Drift. - the theory of how Earth’s continents move over its surface. Plate Tectonics.

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Core

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  1. Core

  2. -the center of the Earth

  3. Mantle

  4. the middle of the Earth made up of molten (melted) rock

  5. Crust

  6. the surface layer of the Earth that includes the continents and oceans

  7. Continental Drift

  8. -the theory of how Earth’s continents move over its surface

  9. Plate Tectonics

  10. -the theory of how the continents move on giant crustal plates over the mantle of the Earth

  11. Earthquake

  12. -a sudden movement of the Earth’s crust

  13. Landform

  14. -a natural feature of the surface of the Earth that has a particular shape

  15. Mountain

  16. -a landform caused by the uplift of the Earth’s crust; created when two crustal plates press against each other; this landform can also be caused by volcanoes

  17. Growth

  18. -creation of new landforms (by crustal movements, harden lava flow and/or deposition of sediments)

  19. Flow

  20. -movement of material (such as lava, mud or water/ice)

  21. Constructive Forces

  22. -actions that build up or construct landforms

  23. Destructive Forces

  24. -actions that wear down or destroy landforms

  25. Volcano

  26. -an opening in the Earth’s crust through which lava, ash and gases flow

  27. Magma

  28. -the melted rock under Earth’s surface; magma flows in the mantle

  29. Lava

  30. -melted rock flowing on the surface of the Earth, usually from volcanoes

  31. Weathering

  32. -the process of breaking rock into soil, sand and other tiny pieces

  33. Erosion

  34. -the process of moving sediments from one place to another

  35. Deposition

  36. -the process of dropping (depositing) sediment in a new location

  37. Beach

  38. -gently sloping shore next to a body of water, washed by waves or tides, often covered by sand and pebbles.

  39. Dune

  40. -a mound, hill or ridge of wind-blown sand

  41. Glacier

  42. -a large river of ice that moves very slowly;will create a u shaped valley between mountains

  43. Valley

  44. -a low area between hills and mountains; v-shaped valleys are formed by rivers; u-shaped are formed by glaciers

  45. Plain

  46. -a nearly level area that has been eroded or where material has been deposited

  47. Plateau

  48. -a nearly level area that has been uplifted

  49. Flood

  50. -when water get higher than normal and flows onto dry land

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