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100

A feature that consists of a relatively large stream and any smaller streams that flow into it

What is a drainage system?

100

A large, funnel-shaped depression caused by cavern collapse

What is a sinkhole?

100

THEM

Lose 100 points

100

The material carried by a stream

What is the load?

100

A type of narrow, curved rock formation forms when a sea cave is continually eroded

What is a sea arch?

200

US

Lose 200 points

200

A glacier-carved valley that has filled with seawater

What is a fjord?

200

A sudden slide of huge masses of rock or soil down a slope

What is a landslide?

200

The eroding action of windblown sand

What is abrasion?

200

A low hill formed when a glacier overruns a moraine

What is a drumlin?

300

The winding, looping curves of rivers

What are meanders?

300

Regions of the earth's surface where limestone is exposed and abundant

What is karst regions?

300

Ice sheets smaller than continental glaciers

What are ice caps?

300

THEM

Add three points

300

What is the excess water that travels downhill after a heavy rain called

What is runoff?

400

The sharp, steeple-shaped point of a mountain with three or more cirques

What is a horn?

400

US

Add 400 points

400

Particles too heavy to be lifted by the wind are rolled in short bursts through a process called

What is creep?

400

A feature formed when a sharp curve in a river is cut off from the rest of the river

What is an oxbow lake?

400

The type of weathering that does not change the chemical composition of the minerals that compose a rock

What is physical weathering?

500

The type of weathering that occurs when rainwater soaks into cracks in a rock and freezes, splitting the rock

What is ice wedging?

500

A sheet of glacial ice that covers an immense area of flat land

What is a continental glacier?

500

One of the numerous streams that feed into a river at  various points

What is a tributary?

500

A long pile of rocks deposited parallel to the shore to prevent erosion

What is a breakwater?

500

Limestone formations that have become filled with various passageways and large caves

What are caverns?

600

The type of dune which is arch shaped with the open end of the arch pointing to the windward side

What is a parabolic dune?

600

The name for a vertical face of rock that forms when the sea removes rock from the base of a high ridge

What is a sea cliff?

600

A huge hole left in the ground when an ice chunk left by a retreating glacier melts

What is a kettle?

600

The type of weathering that occurs when a plant's roots slowly thicken in a rock, causing the rock to crack

What is physical weathering?

600

The general term for the downslope movements of rock, soil, volcanic ash, snow or ice

What is mass wasting?