| Ice, Ice Baby | Caves - Part 1 | Rolling Down the River - Part 1 | What's the Breakdown? |
|---|---|---|---|
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What is a moraine?
Piles of debris left behind when a glacier melts.
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What is a cavern?
A limestone formation that has become filled with various passageways and large caves.
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What is a river?
A large stream that carries water from the mountains to the sea.
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What is ice wedging?
The type of weathering that occurs when rainwater soaks into cracks in a rock and freezes, splitting the rock.
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What is a striae?
Large deep grooves and scratches in rock produced by glaciers.
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What is a stalagtite?
A large icicle-like mass of dripstone on the ceiling of a cave.
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What is a floodplain?
The land that borders a river and is covered by river water in flood time.
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What is exfoliation?
A type of weathering that involves the breaking or peeling away of rock into layers.
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What is a drumlin?
A low hill formed when a glacier overruns a moraine.
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What are soda straws?
Thin, hollow stalactite tubes.
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What is a delta?
A fan-shaped deposit of sediments at the mouth of a river.
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What is abrasion?
The eroding action of windblown sand.
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What is cirque?
A huge bowl-shaped depression dug out by a valley glacier.
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What is flowstone?
Sheets of calcium carbonate.
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What is the Great Divide?
The western drainage divide of the Mississippi River Drainage Basin.
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What is deflation?
The most important effect of wind erosion.
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What are ice caps?
Ice sheets that are smaller than continental glaciers.
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What is a helictite?
A curving formation that appears to defy gravity by not hanging straight down.
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What is an alluvial fan?
A fan-shaped deposit of sediments at the mouth of a dry stream bed in the desert.
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What is the aeolian process?
The process of wind erosion and transportation of loose particles like dust, silt, and sand.
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