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31 Cards in this Set
- Front
- Back
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What is the process by which natural forces move weathered rock and soil from one place to another? |
erosin |
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What is the process by which natural forces move weathered rock and soil from one place to another? |
mass-movement |
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What is mass movement caused by? |
gravity |
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What is a stream or river that runs into another stream or river is called? |
tributory |
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What is a a river flowing across a wide flood plain begins to form loop-like bends called? |
meanders |
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What are deltas built up by? |
depositing |
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Where does the energy that produces ocean waves come from? |
wind blowing across the worsts surface |
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What is the process by which wind removes surface materials called? |
defiation |
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What are particles of clay and silt eroded and deposited by the wind called? |
loess |
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How are glaciers formed? |
when more snow falls and melts |
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What is the process in which rock fragments freeze to the bottom of a glacier and then are carried away when the glacier moves is called |
plucking |
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What is evidence that an area was once covered by a glacier? |
u-shaped valley |
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What is a small depression that forms when a chunk of ice is left in glacial till is known as? |
kettle |
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What is the agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called? |
abrasion |
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How does ice wedging causes mechanical weathering of rock? |
freezing and thawing |
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What type of weathering causes the mineral composition of rocks to change? |
chemicals |
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What has caused a rock containing iron to be chemically weathered if it is soft and crumbly and reddish brown in color? |
oxygen |
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What are the most important factors in determining the rate of weathering? |
rock type and climate |
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The weathering of what causes soil formation to begin? |
bedrock |
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What can be said about soil that is rich in humus? |
it has high fertity |
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How do living organisms in the soil help? |
mix the soil and makes humus |
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What do decomposes do for the soil? |
break down and dig the remains of ded oramisms |
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What is the practice of plowing fields along the curves of a slope called? |
contour plowing |
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What is loam made up of? |
nearly equal amounts of silt and lay |
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What is the process that lays down sediment in a new location called? |
deposition |
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What is a cone-shaped deposit of calcite that builds up on the floor of a cave called? |
set a legmite |
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What is the loose layer of leaves on the surface of the soil called? |
litter |
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What type of glacier forms when ice and snow build up in a mountain valley? |
valley glacier |
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What is the process in which a glacier moosens and picks up rock as it moves? |
plucking |
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What is a sharpened peak formed from a glacier descending from the top of a mountain called? |
horn |
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Be able to name and describe from a picture the landforms created by water on L5 of your ISN. |
focus on waterall flood plains woonders delta and oxdow lake |
