Erosion and Deposition
Glaciers
Weathering
Maps
100
This forms as sediment is deposited in the ocean at the mouth of a river
Delta
100
Where in this picture would you find little to no glacial till?
Outside the glacial advance and retreat zone (all the blue)
100
What factor can lead to rocks being more vulnerable to weathering?
Having gaps and cracks in it
100
What are the darker lines on a topographic map called?
Index contours
200
The process by which material is worn down and transported to other locations by water, wind, and ice.
Erosion
200
What would cause a glacier to retreat?
The ice melting
200
What two processes caused this hoodoo to form?
Erosion and Weathering
200
A small closed circle on a topographic map may show what two features? BONUS: How do you tell the difference between the two?
Mountain peak and Depression
BONUS: A depression will have lines pointing inside the circle.
300
What process causes a beach to form?
Deposition of sediment from ocean waves.
300
Point to which glacial moraine in this picture was the last (most recent) to form?
The terminal moraine.
300
After 1000 years of weathering, which rock would be the most worn down?
A. Hard metamorphic granite
B. Volcanic igneous basalt
C. Fine-grained sedimentary sandstone
C. sandstone
300
How are the following features on a topographic map formed?
A. Canyon
B. Delta
C. Mountain peak
A. Erosion
B. Deposition
C. Plate movement
400
What are two fan-shaped formations that occur due to deposition of sediment? BONUS: What is the difference between them?
Delta and Alluvial Fan
A delta is deposited material where a gradual gradient meets a body of water.
An alluvial fan is deposited material from a steep gradient over flat land.
400
Which of these features is the result of a glacier?
A.Geyser
B. Bedrock Striations
C. U-Shaped Valley
D. Basalt Flows
E. Terminal Moraines
B ; C ; and E
400
If you were setting up an experiment to test weathering of different types of rocks by ice, what variable would you need to change and which would you need to keep the same?
Change - type of rock
Same - amount of water, temperature frozen at
400
Explain what happened in these two topographic maps
An eruption caused a crater to form on the North side of the mountain.
500
As a river meets a body of water, what happens to the velocity of the water flowing in it?
It decreases allowing sediment to be dropped (sedimentation and delta formation)
500
Point to the two features in this photo that formed as the glacier advanced.
The moraine on the side and the middle
500
What are the two kinds of weathering?
Mechanical and Chemical
500
How can you identify a canyon on a topographic map?
Widely spaced contour lines surrounded by very closely spaced contour lines.