Slump is a mass of rock and soil that sudenly slips down a slope.
100
True or false: Is wind the strongest agent of erosion? If not, then what is?
False. The biggest agent of erosion is moving water
100
What are 3 ways water can erode things?
3 possible answers
1) Runoff
2) Rills
3) Gullies
100
What type of glacier covers a great deal of land?
A continental glacier.
100
What causes a wave?
Wind that blows on the water's surface creates energy for the wave to form.
200
What is the most devastating force of mass movement?
A landslide.
200
What is deflation?
Deflation is when wind removes surface particles
200
What is load?
It is what a river caries
200
A thin glacier is called _______
A valley glaicer
200
How do waves cause erosion?
Waves cause erosion because water washes over rock, breaking off pieces of it. Water can also freeze and thaw in between cracks of rock, causing it to split apart.
300
____________ is very slow downhill movement of rock and soil.
Creep
300
How fast does wind have to be to cause moderate damage?
86-110 MPH
300
What is turbulence?
Turbulence is when water flows every wich way in a body of water.
300
What is plucking?
When a glacier picks up small rocks, sticks, and dirt.
300
What are the three types of waves?
Punching waves, spilling waves, and surging waves.
400
True or false: weathering+erosion+deposition= the wearing down AND building up of Earth's surface.
True.
400
What caused the Dust Bowl?
Possible answers:
1) Lack of rainwater
2) Too much plowing
3) No plant life in the area
400
The power of a river depends on:
1) Slope of the river
2) Volume of flow
3) Stream bed shape
400
What causes the glacier to slide?
The melting ice beneath it.
400
What are the 2 points of a wave called?
Trough and crest. Trough is lowest and crest is the top.
500
Where are landslides common?
Near roads or steep hills.
500
What is wind caused by?
Wind is caused by the change in atmospheric pressure.
500
What is abrasion?
The wearing away of rock by a grinding motion.
500
How much of the world is covered with glaciers?
About 10% of the world is covered with glaciers.
500
How do you get out of a rip tide?
1) swim against the current
2) float above water and let the current take you
3) swim to the side of the current