Weathering and Erosion
38 minutes ago
dbrennick_46726
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20 QuestionsShow answers
  • Question 1
    60 seconds
    Q.

    Which of the following statements describes weathering?

    answer choices

    Earth materials are broken down by physical or chemical processes

    Earth materials are carried away by wind, water, ice, or gravity

    Earth materials are dropped in a new location

  • Question 2
    60 seconds
    Q.

    Which of the following statements describes erosion?

    answer choices

    Earth materials are broken down by physical or chemical processes

    Earth materials are carried away by wind, water, ice, or gravity

    Earth materials are dropped in a new location

  • Question 3
    60 seconds
    Q.

    Which of the following statements describes deposition?

    answer choices

    Earth materials are broken down by physical or chemical processes

    Earth materials are carried away by wind, water, ice, or gravity

    Earth materials are dropped in a new location

  • Question 4
    60 seconds
    Q.

    Rock 'A' is likely

    answer choices

    Acid

    Limestone

    Granite

    Sandstone

  • Question 5
    60 seconds
    Q.

    Rock 'B' is likely (multiple answers)

    answer choices

    Sandstone

    Limestone

    Granite

    Shale

  • Question 6
    60 seconds
    Q.

    Which explanation best describes how a boulder can turn into silt as it moves down a river?

    answer choices

    Water washes over the boulder until it is silt-sized.

    The boulder hits other rocks or objects and breaks apart.

    The boulder moves down the river until it lands in a basin and becomes silt.

    A chemical reaction turns the boulder into silt.

  • Question 7
    60 seconds
    Q.

    The Colorado River started eroding the Grand Canyon 6 million years ago. Of the layers shown at location X, which two layers did the Colorado River erode away first?(Mark the one best answer.)

    answer choices

    Kaibab Formation and Toroweap Formation

    Redwall Limestone and Supai Group

    Bright Angel Shale and Tapeats Sandstone

    All layers are eroded at the same time by the Colorado River.

  • Question 8
    60 seconds
    Q.

    If you returned the the Grand Canyon in 1 million years, what rock layer could you likely see at river level?

    answer choices

    Muav Limestone

    Redwall Limestone

    Supai Sandstone

    Hermit Shale

  • Question 9
    60 seconds
    Q.

    What variables would determine how much the river has eroded the rock in a million years? (Multiple answers)

    answer choices

    How fast the water in the river is flowing.

    How hard the rock is.

    The temperature of the water in the river.

    The number of visitors who raft down the river in that time.

  • Question 10
    60 seconds
    Q.

    What rock would you suspect to find under Kimi Sandstone at paradise canyon?

    answer choices

    New York Limestone

    Purple Sandstone

    American Shale

    Kimi Sandstone

  • Question 11
    60 seconds
    Q.

    Vacation canyon is 15 km away from Paradise Canyon. If you walked halfway from Paradise to Vacation, what rock layer would you find at ground level?

    answer choices

    Sunshine Shale

    New York Limestone

    American Shale

    Kimi Sandstone

  • Question 12
    60 seconds
    Q.

    Where is the delta?

    answer choices

    X

    Y

    Z

  • Question 13
    60 seconds
    Q.

    Where is the water moving the fastest??

    answer choices

    X

    Y

    Z

  • Question 14
    60 seconds
    Q.

    Where would you find the smallest sediment?

    answer choices

    X

    Y

    Z

  • Question 15
    60 seconds
    Q.

    Where would you find the largest sediment?

    answer choices

    X

    Y

    Z

  • Question 16
    60 seconds
    Q.

    What rock layer is likely at river level at mile 36?

    answer choices

    Redwall

    Muav

    Supai

    Kaibab

  • Question 17
    60 seconds
    Q.

    If you drilled below Supai at mile 20, what rock would you find?

    answer choices

    Hermit

    Supai

    Redwall

    Muav

  • Question 18
    60 seconds
    Q.

    Root-wedging, frost-wedging, and abrasion are examples of...

    answer choices

    Physical weathering

    Chemical weathering

    Erosion

    Deposition

  • Question 19
    60 seconds
    Q.

    Which of the following are considered agents of erosion?

    answer choices

    Wind

    Water

    Ice

    Gravity

  • Question 20
    60 seconds
    Q.

    What processes formed the Grand Canyon?

    answer choices

    Weathering

    Erosion

    Contradiction

    Spelunking

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