Weathering

1
Weathering Erosion Unit Review

1. Read the question
2. Write your answer on the white board
3. Write ONLY the answer

2
Question 1

• What is the change in physcial form or chemical
  composition of rock materials on the Earths
  surface?

3
Answer

• Weathering

4
Question 2

• What is the type of weathering when rocks are
  physically broken down?

5
Answer

• Mechanical

6
Question 3

• What is the type of weathering when rocks change
  their chemical composition?

7
Answer

• Chemical

8
Question 4

• What is it called when water seeps into cracks,
  freezes, and expands, breaking the rock around it?

9
Answer

• Ice wedging

10
Question 5

• What is the type of weathering when plant roots
  work to break up rock?

11
Answer

• organic

12
Question 6

• What is it called when rocks rub against each
  other and wear down?

13
Answer

• abrasion

14
Question 7

• What is the chemical reaction called that breaks
  down rocks with water?

15
Answer

• Hydrolysis

16
Question 8

• Which type of rock weathers the fastest?

17
Answer

• Sedimentary rock

18
Question 9

• Which type of sedimentary rock weathers the
  fastest?

19
Answer

• Limestone

20
Question 10

• Which type of rock does not weather easily?

21
Answer

• Quartzite

22
Question 11

• Which will weather faster a large rock or the
  large rock broken into pieces?

23
Answer

• The large rock broken into pieces

24
Question 12

• What are the four factors that affect the rate of
  weathering?

25
Answer

• Composition, exposure, climate, topography

26
Question 13

• In what type of climates does weathering occur
  slowly?

27
Answer

• Hot and dry OR cold and dry

28
Question 14

• What is the process by which the products of
  weathering are transported?

29
Answer

• erosion

30
Question 15

• The main difference between erosion and
  weathering is that erosion involves what?

31
Answer

• transportation

32
Question 16

• What is the NAME of the top layer of soil?

33
Answer

• Humus

34
Question 17

• Which layer of soil has all the organic activity?

35
Answer

• humus

36
Question 18

• What is the NAME of the second layer of soil from
  the top?

37
Answer

• regolith

38
Question 19

• Which layer of soil has minerals that were
  leached down?

39
Answer

• regolith

40
Question 20

• What is the name of the third layer of soil from
  the top?

41
Answer

• Partially weathered bedrock

42
Question 21

• What is the name of the bottom layer of soil?

43
Answer

• bedrock

44
Question 22

• What is the smallest soil particle called?

45
Answer

• clay

46
Question 23

• What is the middle sized soil particle called?

47
Answer

• silt

48
Question 24

• What is the largest soil particle called?

49
Answer

• sand

50
Question 25

• What is a cross section in which layers of the
  soil and the bedrock beneath the soil can be seen?

51
Answer

• A soil profile

52
Question 26

• What is a layer of soil called?

53
Answer

• Soil horizon

54
Question 27

• What is the process in which water carried
  dissolved minerals to lower layers of rock?

55
Answer

• leaching

56
Question 28

• In what type of climate does chemical weathering
  occur the fastest?

57
Answer

• Hot, wet

58
Question 29

• What kind of land is best for crops?

59
Answer

• Flat with drainage

60
Question 30

• What is it called when farmers make cuts in the
  land that eventually get big enough for erosion?

61
Answer

• gullying

62
Question 31

• What is it called when farmers plow up and down
  slopes to allow water to run off the slopes?

63
Answer

• furrowing

64
Question 31

• What is it called when farmers use methods to
  slow erosion?

65
Answer

• Soil conservation

66
Question 32

• What is a method farmers use for soil
  conservation??

67
Answer

• Crop rotation

68
Question 33

• What are the four agents of erosion?

69
Answer

• Wind, water, glaciers, gravity

70
Question 34

• What is the movement of fragments down a slope
  called?

71
Answer

• Mass movement

72
Question 35

• What is a rapid mass movement called?

73
Answer

• Landslide, mud flow, avalanche

74
Question 36

• What is a slow mass movement called?

75
Answer

• creep

76
Question 37

• What are steep landforms with high elevation
  called?

77
Answer

• mountains

78
Question 38

• If mountains have low, rounded tops, are they
  probably young or old??

79
Answer

• old

80
Question 39

• What are gently sloped or flat surfaces at or
  below sea level called??

81
Answer

• plains

82
Question 40

• What are high-elevation flat surfaces above sea
  level called?

83
Answer

• plateaus

84
Question 41

• How would you classify the soil if the pH is
  less than 7?

85
Answer

• acidic

86
Question 42

• What is the term that describes how much water
  the soil can hold?

87
Answer

• porosity

88
Question 43

• Which term describes how well water can flow
  through soil?

89
Answer

• permeability

90
Question 44

• What is the process by which the products of
  weathering are transported called?

91
Answer

• erosion

92
Question 45

• What are the spaces in between the soil particles
  called?

93
Answer

• Pore spaces

94

• This concludes todays review activity.
• Have fun studying!!