Pearson 6th Earth Science terms and defintions

1. Ch. 7-Erosion

3. Erosion Process which ______ weathered material from one place to another 1. moves

4. 2. _________- material moved by erosion sediment

5. 3. - the process of eroded sediments Deposition dropping

6. Mass movements weathered fragments are moved from higher to lower elevations by gravity 4.

7. landslides- varying sized quickly down a steep cliff or slope A. rocks and soil fall

12. mudflow -thick mixture of sedim ents an d water flowing down a slope B.

14. soil and rock slip down slope in slump one large mass C .

18. creep- slow downhill movement of weathered material D.

19. This is a diagram of creep. The hillside slowly slips over many years from temperature or water.

20. and Deposition Water erosion

22. 5. Water cycle- Each part of the cycle drives the other parts.

23. A.____________- water changing to water vapor evaporation

24. 1) ____________________ - evaporation from ice ; sublimation

25. 2) __________ Evaporation from plants transpiration

26. B. _ - changing water vapor into liquid form condensation

27. C. ___________- liquid or solid form of water falling to Earth pre cipitation

28. 6.________-rainwater that does not soak into the ground or evaporate runoff

29. groundwater 7.___________water that sinks (leaches) into the porous parts of Earth’s crust (about 90% of all fresh water)

30. 8. ________________- an underground area that has been eroded by _____________________ (carbonation) cave or cavern chemical weathering

31. 9._____________- “V” icicle-like structures formed by calcium carbonate left behind from dripping water stalactite

32. 10. _________ - “^ ” deposits of calcium carbonate that build up on the floor of a cave or cavern. stalagmite

33. GLACIERS

35. glacier- a thick river of ice that moves slowly across land 11. _______

36. A.________- plucking rocks freeze in cracks under the ice and are dragged along

37. abrasion scouring of bedrock by imbedded rocks B. ___________

38. scratches made on the bedrock by the imbedded rocks striations C. _________-

39. unsorted, mixture of different-sized sediments left by a glacier till 12. __-

40. ridges of broken rock pieces left on the sides and at the end of a glacier moraine 13. ________-

41. mass coverage of land area (Ice Age, Antarctica) continental glacier 14. _______________-

42. valley glacier ice flows from high altitudes down a mountain 15. _________-

44. 17. Erosion by Waves A. ___________- part of the coast that sticks out into the ocean B. ________- area of wave-washed sediment along the coast headland beach

45. C. _______- beach that projects like a finger out into the water D. __________________- sediment moves down the beach with the current spit longshore drift

46. Wind Erosion 18.

47. deflation- Removal of loose A. material from ground’s surface

51. 19. Wind Deposition

52. loess- wind-blown deposits of ______ fine dust particle that often pack into layers; soft, like talc A.

54. dunes- mounds of sand drifted downwind (most common wind deposit) B. by the wind, which migrate

55. The End