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Chapter 8
Ch. 8
23
Science
7th Grade
12/12/2006

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Cards

Term
Moving _________ is the major agent of the erosion that has shaped Earth's surface
Definition
water
Term
A _________ is a stream that flows into a larger stream
Definition
tributary
Term
A _____________ is a land area from which a river and its tributaries collect their water.
Definition
drainage basin
Term
A _________ is the high ground between two drainage basins.
Definition
divide
Term
Five features formed by rivers as they erode land are _______________, waterfalls, floodplains, meanders, and oxbow lakes.
Definition
v-shaped valleys
Term
the flat, wide area of land along a river is a ____________.
Definition
flood plain
Term
the flat, wide area of land along a river is a ____________.
Definition
flood plain
Term
the flat, wide area of land along a river is a ____________.
Definition
flood plain
Term
a __________ is alooplike bend in the course of a river
Definition
meander
Term
a(n) ______________ is a meander that has been cut off from the river
Definition
oxbow lake
Term
a(n) ______________ is a meander that has been cut off from the river
Definition
oxbow lake
Term
a(n) ______________ is a wide, sloping deposit of sediment formed where a stream leaves a mountain range
Definition
allurial fan
Term
Sediment deposited where a river flows into an ocean or lake builds up a landform called a _____________
Definition
delta
Term
a __________ is any large mass of ice that moves slowly over land
Definition
glacier
Term
A __________ is a long, narrow glacier that forms when snow and ice build up high in a mountain valley.
Definition
valley glacier
Term
A ___________________ is a glacier that covers much of a continent or large island
Definition
continental glacier
Term
times in the past when continental glaciers covered large parts of the earth's surface are called _________.
Definition
ice ages
Term
the two processes by which glaciers erode the land are _________ and ______________.
Definition
plucking and abrasion
Term
as a glacier flows over the land, it picks up rocks in a process called ___________.
Definition
plucking
Term
the process called ______________ gouges and scratches the bedrock as the glaciers move across the land.
Definition
abrasion
Term
when a glacier melts, it deposits the sediment it eroded. the mixture of sediments that a glacier deposits directly on the surface is called _____.
Definition
till
Term
the till deposited at the edges of a glacier forms a ridge called a _________.
Definition
moraine
Term
a __________ is a small depression that forms when a chunk of ice is found in glacial till.
Definition
kettle
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