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PH Concepts in Action CH 23
Weathering & Erosion
54
Science
9th Grade
04/23/2009

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Cards

Term
Groundwater
Definition
Water found within Earth’s surface
Term
Water cycle
Definition
Continual movement of water throughout Earth’s atmosphere and crust
Term
Transpiration
Definition
Loss of water vapor from plants to Earth’s atmosphere
Term
Glacier
Definition
Large block of rock and ice on land
Term
Run-off
Definition
Water running on Earth’s surface
Term
Tributaries
Definition
Small stream that feed into a larger body of water
Term
Watershed
Definition
Area of land that contributes to a river system
Term
Saturated zone
Definition
Area below the Earth’s surface where permeable rock’s spaces are entirely filled with water
Term
Water table
Definition
The top level of the saturated zone
Term
Permeable
Definition
Rock that water can move through easily
Term
Aquifer
Definition
Permeable rock that is saturated with water
Term
Impermeable
Definition
Rocks that water cannot move through easily
Term
Condensation
Definition
Change of water vapor into liquid (precipitation)
Term
Evaporation
Definition
Change of liquid water into water vapor
Term
Surface water
Definition
Water on the surface of Earth’s crust
Term
Absorption
Definition
Water seeping into Earth’s crust
Term
Precipitation
Definition
Falling of water vapor to Earth as liquid or solid
Term
Erosion
Definition
Movement of rock and solid
Term
Weathering
Definition
Rocks are chemically or physically broken down into smaller pieces
Term
Mechanical weathering
Definition
Physically breaking down a rock into smaller pieces (does not change the rock)
Term
Abrasion
Definition
Rocks scraping or grinding against one another breaking down into smaller pieces
Term
Chemical weathering
Definition
Chemically breaking down a rock into smaller pieces (rock is changed)
Term
Continental glacier
Definition
Thick sheet of ice that covers a huge area
Term
Valley glacier
Definition
Glacier that occurs in a high mountain valley
Term
Plucking
Definition
Widening of bedrock cracks due to movement of glaciers over top
Term
Cirques
Definition
Peaks created on mountain tops by glaciers
Term
Till
Definition
Glacial sediment
Term
Moraines
Definition
Mounds of sediments formed at the downhill side of the glacier
Term
Deflation
Definition
Deposit of sediments by wind
Term
Dunes
Definition
Deposits formed from windblown sand
Term
Loess
Definition
Deposits formed from windblown dust
Term
Mass movement
Definition
Downward movement of rock and sediment due to gravity
Term
Deposition
Definition
When sediments are laid down in new locations
Term
Saltation
Definition
When sediments bounce along a stream bottom
Term
Flood plain
Definition
Flat area along a stream/river that is covered in water only during a flood
Term
Meander
Definition
Loop-like bend in a river
Term
Oxbow
Definition
Curved lake formed from a meander
Term
Alluvial fan
Definition
Fan-shaped deposit of sediments on land
Term
Stalgmite
Definition
Mineral formation on the floor of a cave
Term
Delta
Definition
Mass of sediment deposited where a river enters a large body of water
Term
Sinkhole
Definition
Hole created by sudden collapse of ground
Term
What process is at A?[image]
Definition
Condensation
Term
[image]What process is at B?
Definition
Precipitation
Term
What process is at C?[image]
Definition
Condensation
Term
What process is D?[image]
Definition
Transpiration
Term
What process is E?[image]
Definition
Run-off
Term
What is F?[image]
Definition
to  Evaporation
Term
What is H?[image]
Definition
Surface Water/Accumulation/Ocean
Term
What are the two types of weathering?
Definition
Mechanical & Chemical
Term
Definition
your mom
Term
What is the difference between weathering and erosion?
Definition
Weathering just breaks the rocks into smaller pieces, erosion carries the pieces to a new location.
Term
List three types of mechanical weathering, tknow, too, luan, hold my hand and who want
Definition
Term
Name 3 examples of chemical weathering.
Definition
1. Lichens acid breaking down rocks
2. Carbonic Acid forming caves
3. Rust oxidizing on a rock/surface
Term
Name 3 examples of mechanical weathering.
Definition
ice wedging, root pry, abrasion
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