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- 1. Multiple Choice
Which of the following statements describes weathering?
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
- 2. Multiple Choice
Which of the following statements describes erosion?
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
- 3. Multiple Choice
Which of the following statements describes deposition?
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
- 4. Multiple Choice
Rock 'A' is likely
Acid
Limestone
Granite
Sandstone
- 5. Multiple Choice
Rock 'B' is likely (multiple answers)
Sandstone
Limestone
Granite
Shale
- 6. Multiple Choice
Which explanation best describes how a boulder can turn into silt as it moves down a river?
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.
- 7. Multiple Choice
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.)
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.
- 8. Multiple Choice
If you returned the the Grand Canyon in 1 million years, what rock layer could you likely see at river level?
Muav Limestone
Redwall Limestone
Supai Sandstone
Hermit Shale
- 9. Multiple Choice
What variables would determine how much the river has eroded the rock in a million years? (Multiple answers)
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.
- 10. Multiple Choice
What rock would you suspect to find under Kimi Sandstone at paradise canyon?
New York Limestone
Purple Sandstone
American Shale
Kimi Sandstone
- 11. Multiple Choice
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?
Sunshine Shale
New York Limestone
American Shale
Kimi Sandstone
- 12. Multiple Choice
Where is the delta?
X
Y
Z
- 13. Multiple Choice
Where is the water moving the fastest??
X
Y
Z
- 14. Multiple Choice
Where would you find the smallest sediment?
X
Y
Z
- 15. Multiple Choice
Where would you find the largest sediment?
X
Y
Z
- 16. Multiple Choice
What rock layer is likely at river level at mile 36?
Redwall
Muav
Supai
Kaibab
- 17. Multiple Choice
If you drilled below Supai at mile 20, what rock would you find?
Hermit
Supai
Redwall
Muav
- 18. Multiple Choice
Root-wedging, frost-wedging, and abrasion are examples of...
Physical weathering
Chemical weathering
Erosion
Deposition
- 19. Multiple Choice
Which of the following are considered agents of erosion?
Wind
Water
Ice
Gravity
- 20. Multiple Choice
What processes formed the Grand Canyon?
Weathering
Erosion
Contradiction
Spelunking
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