Chapter 7 Erosion and Deposition Notes
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Name _________________________________________________________________________ prd ______________ EROSION AND DEPOSITION Changing Earth’s Surface 1. Erosion ____________________________________________________________________________________ ____________________________________________________________________________________ 2. What are the five agents of erosion? ____________________________________________________________________________________ ____________________________________________________________________________________ 3. In geology, what is an agent? ____________________________________________________________________________________ ____________________________________________________________________________________ 4. Sediment ____________________________________________________________________________________ 5. Deposition occurs when? ____________________________________________________________________________________ ____________________________________________________________________________________ 6. What 3 forces act together in a cycle to wear down and build up Earth’s surface? ____________________________________________________________________________________ 7. Gravity ____________________________________________________________________________________ ____________________________________________________________________________________ 8. What causes mass movement? __________________________________________________________ 9. What are the 4 types of mass movement? a. __________________________ b. __________________________ c. __________________________ d. __________________________ 10. How does a landslide happen? ____________________________________________________________________________________ ____________________________________________________________________________________ 11. What is a mudflow? ____________________________________________________________________________________ ____________________________________________________________________________________ 12. When do mudflows often occur? _________________________________________________________ 13. What can trigger a mudflow and what is that process called? ____________________________________________________________________________________ 14. What is a slump? ____________________________________________________________________________________ ____________________________________________________________________________________ 15. What is a creep? ____________________________________________________________________________________ ____________________________________________________________________________________ 16. What makes creeps often happen? ____________________________________________________________________________________ ____________________________________________________________________________________ Water Erosion 17. What is a major agent of the erosion that has changed Earth’s surface? __________________________ 18. What is runoff? _______________________________________________________________________ 19. What are the five main factors that affect runoff? ____________________________________________________________________________________ ____________________________________________________________________________________ 20. What five landforms are formed by runoff? ____________________________________________________________________________________ ____________________________________________________________________________________ 21. Complete the table below. Landform Definition 22. What are the 5 land features formed from erosion by rivers? ____________________________________________________________________________________ ____________________________________________________________________________________ 23. Flood Plain ____________________________________________________________________________________ ____________________________________________________________________________________ 24. Meander____________________________________________________________________________________ ____________________________________________________________________________________ 25. Oxbow Lakes ____________________________________________________________________________________ ____________________________________________________________________________________ 26. What land features are created by deposits of rivers? ____________________________________________________________________________________ 27. Alluvial Fan____________________________________________________________________________________ ____________________________________________________________________________________ 28. What is an alluvial fan shaped like? _______________________________________________________ 29. How does a delta form? ____________________________________________________________________________________ ____________________________________________________________________________________ 30. How is soil on flood plains an example of deposition by a river? ____________________________________________________________________________________ ____________________________________________________________________________________ 31. What are the 3 examples of groundwater erosion? ____________________________________________________________________________________ 32. Groundwater____________________________________________________________________________________ ____________________________________________________________________________________ 33. Stalactite____________________________________________________________________________________ ____________________________________________________________________________________ 34. Stalagmite____________________________________________________________________________________ ____________________________________________________________________________________ 35. What is karst topography? ____________________________________________________________________________________ ____________________________________________________________________________________ Glaciers 36. What are the 2 kinds of glaciers? _________________________________________________________ 37. Continental Glacier____________________________________________________________________________________ ____________________________________________________________________________________ 38. Valley Glacier____________________________________________________________________________________ ____________________________________________________________________________________ 39. What are the 2 processes by which glaciers erode the land? ___________________________________ 40. Plucking____________________________________________________________________________________ ____________________________________________________________________________________ 41. Abrasion____________________________________________________________________________________ ____________________________________________________________________________________ 42. What does a glacier do when it melts? ____________________________________________________________________________________ ____________________________________________________________________________________ 43. Till____________________________________________________________________________________ ____________________________________________________________________________________ 44. Moraine____________________________________________________________________________________ ____________________________________________________________________________________ 45. Kettle____________________________________________________________________________________ ____________________________________________________________________________________ 7.4: Waves 46. What gives ocean waves their energy? ____________________________________________________________________________________ ____________________________________________________________________________________ 47. What 2 ways do ocean waves cause erosion? _______________________________________________ 48. Impact____________________________________________________________________________________ ____________________________________________________________________________________ 49. Abrasion____________________________________________________________________________________ ____________________________________________________________________________________ 50. Headland____________________________________________________________________________________ ____________________________________________________________________________________ 51. What 3 landforms can be created by wave erosion? ____________________________________________________________________________________ 52. How is a sea cave formed? ____________________________________________________________________________________ ____________________________________________________________________________________ 53. How is a wave cut cliff formed? ____________________________________________________________________________________ ____________________________________________________________________________________ 54. How is a sea arch formed? ____________________________________________________________________________________ ____________________________________________________________________________________ 55. What 4 land features can be formed by deposition from waves? a. ____________________________ c. ____________________________ b. ____________________________ d. ____________________________ 56. Beach- ______________________________________________________________________________ 57. Longshore Drift____________________________________________________________________________________ ____________________________________________________________________________________ 58. Spit____________________________________________________________________________________ ____________________________________________________________________________________ 59. Sandbar____________________________________________________________________________________ ____________________________________________________________________________________ 60. What 2 ways does wind cause erosion? ___________________________________________________ 61. Deflation____________________________________________________________________________________ ____________________________________________________________________________________ 62. Abrasion____________________________________________________________________________________ ____________________________________________________________________________________ 63. What 2 land features can result from deposition by wind? ____________________________________________________________________________________ 64. Sand Dune____________________________________________________________________________________ ____________________________________________________________________________________ 65. Loess____________________________________________________________________________________ ____________________________________________________________________________________
