1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Weathering Mechanical vs. Chemical Erosion 5 Agents Potluck

2. What is the process that breaks down rock and other substances?

3. weathering

4. What is the physical process that breaks down rock into smaller pieces?

5. mechanical weathering

6. What is the process that breaks down rock through chemical changes?

7. chemical weathering

8. What are the two most important factors that determine the rate at which weathering occurs?

9. type of rock and climate

10. In what climate will weathering occur the fastest?

11. hot and wet

12. What is the name given to weathering that occurs as a result of repeated freezing and thawing of water? Double your points if you can tell me the type of weathering this is.

13. frost wedging; mechanical

14. What do we call weathering that occurs as a result of oxygen reacting with water and iron? Double your points if you can tell me the type (mechanical or chemical) of weathering.

15. oxidation; chemical

16. What is the type of weathering that occurs when feldspar turns to clay? Double your points if you can tell me the type of weathering.

17. hydrolysis; chemical

18. What is the type of weathering that occurs as a result of repeated heating and cooling? Double your points if you can tell me the type of weathering.

19. thermal expansion; mechanical

20. How can plants cause both mechanical and chemical weathering?

21. root pry and plant acids

22. What is the movement of particles by wind, water, ice, gravity, or waves?

23. erosion

24. What is the material moved by erosion called?

25. sediment

26. What process must occur before erosion can occur?

27. weathering

28. What agent causes the greatest amount of erosion?

29. water

30. What form of mechanical weathering can be found in most erosion circumstances?

31. abrasion

32. Which agent of erosion includes plucking and abrasion?

33. glaciers

34. Which agent of erosion was responsible for problems in the Dust Bowl?

35. wind

36. Which agent of erosion occurs both above and below ground?

37. water

38. Which agent of erosion involves impact and abrasion?

39. waves

40. Which agent of erosion involves slump, creep, and landslides? Add 200 points if you can tell me what these are types of.

41. gravity; mass movement

42. What occurs when agents of erosion lay down sediment?

43. deposition

44. What type of weathering is acid rain?

45. chemical weathering

46. What is the type of weathering that causes layers of rock to be uploaded as a result of pressure release?

47. exfoliation

48. What do weathering, erosion, and deposition have in common? Add 200 points if you can name more than one similarity.

49. shape and change Earth’s surface; part of a cycle; all have to do with sediment

50. How can weathering, erosion, and deposition happen at the same time? Add 500 points if you can describe a situation that involves more than two.

51. Examples: Wind (erosion, abrasion, deposition) Water (weathering, erosion, abrasion, deposition) Waves (abrasion, erosion, deposition) Glaciers (erosion, abrasion, deposition)