Show:
Landforms
Erosion/Deposit
Chem. Weather.
Mechan. Weather.
Topo Maps
100
A river that pours into another body of water leaves a soil deposit called a _________
What is a delta?
100
This process shapes and wears down earth's surface
What is erosion?
100
The most important agent of chemical weathering
What is water?
100
How fast mechanical weathering occurs
What is very slowly
100
This type of map shows relief
What is a topographic map
200
These flat lands are often used for farming or ranching
What is plains?
200
Name the 4 agents of erosion
What is water, wind, ice, gravity
200
Oxygen combines with this element to create rust
What is iron?
200
When water in a crack in a rock freezes and expands the crack
What is freezing and thawing
200
The lines on a topographic map
What is contour lines
300
A deposit of sediment where a stream leaves a mountain
What is an alluvial fan?
300
The major agent of erosion
What is water
300
The combination of rain, sulfur, and carbon produces this agent of chemical weathering
What is acid rain?
300
Name three ways mechanical weathering occurs
What is freezing/thawing; release of pressure; plant growth; abrasion; animal actions
300
The difference in elevation between two contour lines
What is contour interval
400
This type of mountain is caused by compression
What is folded mountain?
400
When glaciers drag rocks across land
What is abrasion
400
List three agents of chemical weathering
What is water, oxygen, carbon dioxide, living things, acid rain
400
This type of weathering physically breaks rock into smaller pieces
What is mechanical weathering
400
These occur every 5th contour line and have the elevation labeled
What is an index contour
500
An elongated low land between ranges of mountains, often having a stream or river running through it
What is a river valley?
500
This occurs as a glacier flows over land and picks up rocks
What is plucking
500
The difference between mechanical and chemical weathering
What is chemical breaks down rock through chemical changes, mechanical breaks down rock physically
500
When animals loosen and break apart soil
What is animal actions
500
The highs and lows on earth's surface
What is relief