1. 6.5 Weathering & Erosion Review
Chapter 11 from your book

2. Q 1
What kind of weathering causes the mineral composition of rocks to change? ____________________

3. A 1
What kind of weathering causes the mineral composition of rocks to change?
CHEMICAL WEATHERING

4. Q 2
2) The 2 most important factors in determining the rate of weathering are ___________________& _________________

5. A 2
2) The 2 most important factors in determining the rate of weathering are Rock type & Climate

6. Q 3
3) The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called ___________________________.

7. A 3
3) The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called
ABRASION

8.  Q 4
 4) Mechanical weathering of rock by means of repeated freezing & thawing that causes rocks to break apart is called ___________________________.

9. A 4
4) Mechanical weathering of rock by means of repeated freezing & thawing that causes rocks to break apart is called
ICE WEDGING

10. Q 5
5) The growth of plant roots and animal activity may result in ___________________weathering.

11. A 5
5) The growth of plant roots and animal activity may result in MECHANICAL weathering.

12. Q 6
6) Plant acids cause what type of weathering? ____________________________

13. A 6
6) Plant acids cause what type of weathering?
CHEMICAL

14. Q 7
7) The process by which natural forces move weathered rock and soil from one place to another is called
a. soil conservation
b. deposition.
c. abrasion
d. erosion.
e) Weathering

15. A 7
7) The process by which natural forces move weathered rock and soil from one place to another is called
a. soil conservation
b. deposition.
c. abrasion
d. erosion.
e) Weathering

16. Q8
8) What do you call rock full of tiny, connected air spaces that weathers easily? ______________________

17. A 8
8) What do you call rock full of tiny, connected air spaces that weathers easily?
Permeable

18. Q 9
9) A rock containing iron becomes soft and crumbly and reddish- brown in color. It probably has been chemically weathered by what process?
A) Plant acids
B) Acid Rain
C) Oxidation
D) Carbon Dioxide
E) Erosion

19. A 9
9) A rock containing iron becomes soft and crumbly and reddish- brown in color. It probably has been chemically weathered by what process?
A) Plant acids
B) Acid Rain
C) Oxidation
D) Carbon Dioxide
E) Erosion

20. Q 10
10) A marble statue is left exposed to the weather. Within a few years, the details on the statue have begun to weather away. This weathering probably is caused by_____________________
a. Oxidation
b. Abrasion
c. Plant acids
d. carbonic acid in rainwater.
e. Lichens

21. A 10
10) A marble statue is left exposed to the weather. Within a few years, the details on the statue have begun to weather away. This weathering probably is caused by_____________________
a. Oxidation
b. Abrasion
c. Plant acids
d. carbonic acid in rainwater.
e. Lichens

22. Q 11
11) What do you call it when water & wind carry soil away? _________________________

23. A 11 11) What do you call it when water & wind carry soil away?
EROSION

24. Q 12
12) The mixture of rock particles, minerals, decayed organic material, air, and water is called _____________
A) Sand b) Litter C) Silt D) Soil E) Clay

25. A 12
12) The mixture of rock particles, minerals, decayed organic material, air, and water is called _____________
A) Sand b) Litter C) Silt D) Soil E) Clay

26. Q 13
13) The major agent of erosion that shapes Earth's land surface is moving ____________________.

27. Q 13
13) The major agent of erosion that shapes Earth's land surface is moving ____________________.

28. A 13
13) The major agent of erosion that shapes Earth's land surface is moving WATER

29. Q 14
14) A stream or river that runs into another stream or river is called a ________________________

30. 14) A stream or river that runs into another stream or river is called a TRIBUTARY

31. Q 15
15) A river flowing across a wide flood plain begins to form looplike bends called MEANDERS

32. A 15
15) A river flowing across a wide flood plain begins to form looplike bends called _Meanders _______________.

33. Q 16
16) Sediment deposited where a river flows into an ocean or lake is called a(n) ____________________.
A) Rill B) Gully C) Delta D) Tributary E) Settlement

34. A 16
16) Sediment deposited where a river flows into an ocean or lake is called a(n) ____________________.
A) Rill B) Gully C) Delta D) Tributary E) Settlement

35. Q 17 17) Deltas are built up by ____________________ a. leaching
17) Deltas are built up by ____________________
a. leaching
b. deposition.
c. abrasion.
d. erosion.
e. Weathering

36. A 17 17) Deltas are built up by ____________________ a. leaching
b. deposition.
c. abrasion.
d. erosion.
e. Weathering

37. Q 18
18) Through erosion, rivers form ______________, which are wide flat areas covered by water during floods.

38. A 18
18) Through erosion, rivers form ______________, which are wide flat areas covered by water during floods.
FLOOD PLAINS

39. Q19 19) Mass movement is caused by ______________________.
a. plucking & abrasion
b. chemical weathering.
C. gravity
D. erosion & deposition

40. A 19 19) Mass movement is caused by ______________________.
a. plucking & abrasion
b. chemical weathering.
C. gravity
D. erosion & deposition

41. Q 20
20) Landslides, mudflows, slump, and creep are all examples of ______________________
A) mechanical weathering.
B. runoff.
C) Soil formation
D) Mass movement
E) Chemical weathering

42. A 20
20) Landslides, mudflows, slump, and creep are all examples of ______________________
A) mechanical weathering.
B. runoff.
C) Soil formation
D) Mass movement
E) Chemical weathering

43. Q 21
21) The force that moves sediment in a landslide or mudflow is ____________________.
A) Water
B. Ice
C) Gravity
D) Deposition
E) Chemical weathering

44. A21
21) The force that moves sediment in a landslide or mudflow is ____________________.
A) Water
B. Ice
C) Gravity
D) Deposition
E) Chemical weathering

45. Q22
22) The main way that the wind erodes the land is by the process of ____________________.
A) Oxidation B) Deposition C) Deflation D) ) Acid Rain

46. A22
22) The main way that the wind erodes the land is by the process of ____________________.
A) Oxidation B) Deposition C) Deflation D) ) Acid Rain

47. Q23
23) In the 1930s, an area in the southern Plains states was named the ____________________ because the topsoil turned to dust

48. A 23
23) In the 1930s, an area in the southern Plains states was named the _DUST BOWL __ because the topsoil turned to dust

49. Q24 24) Glaciers can only form when a. there is an ice age.
b. there is a U-shaped valley in the mountains. .
c more snow falls than melts each year.
d the amount of snow exceeds the amount of rain

50. 24 24) Glaciers can only form when a. there is an ice age.
b. there is a U-shaped valley in the mountains. .
c more snow falls than melts each year.
d the amount of snow exceeds the amount of rain

51. Q25
25) ______________________ form where a meander is cut off from the main river.
a) horseshoe lakes
b. Meandering lakes
c. oxbow lakes
d. deltas
e. settlements

52. A 25
25) ______________________ form where a meander is cut off from the main river.
a) horseshoe lakes
b. Meandering lakes
c. oxbow lakes
d. deltas
e. settlements

53. Q 26-30
Match the following various ages of streams with the correct descriptions.
Y. Young Stream M. Mature stream O. Old stream
26) ________very rapid velocity (flows quickly)
27) ________V-shaped valley
28) ________ May have many meanders & Oxbow Lakes
29) _________May have waterfalls and rapids
30) _________Many tributaries

54. A 26-30
Match the following various ages of streams with the correct descriptions.
Y. Young Stream M. Mature stream O. Old stream
26) ___Y_____very rapid velocity (flows quickly)
27) ____Y____V-shaped valley
28) _____O___ May have many meanders & Oxbow Lakes
29) _____Y____May have waterfalls and rapids
30) ____M____Many tributaries

55. Q 31
31) Draw a picture of a river showing meanders and label them M. Also draw an Oxbow Lake and label it O.

56. A 31
31) Draw a picture of a river showing meanders and label them M. Also draw an Oxbow Lake and label it O.
Meander looks like a snakelike river with many curves (s-bends are the meanders).
Oxbow Lake is horse-shoe shaped, forms where a meander cuts off from the main river.