Soil
Weathering
Erosion
Water Cycle
Rivers
100
The bottom layer of the soil profile contains this.
What is bedrock?
100
This is the type of weathering that occurs when water gets inside rocks when it is cold and cracks the rock.
What is ice wedging?
100
A sand dune is a type of erosion caused by what force.
What is wind erosion?
100
Plants lose water to the atmosphere by this process.
What is transpiration?
100
Place where a river begins.
What is the source?
200
This is what makes the topsoil dark.
What is humus?
200
Ice wedging, exfoliation, and tree roots cause this type of weathering.
What is mechanical or physical weathering?
200
Glacier movement causes erosion. This type of valley can form from this type of erosion.
What is a U-shaped valley?
200
The change of liquid water to water vapor.
What is evaporation?
200
A river with a steep slope and fast moving rapids would be classified as this.
What is a young river?
300
Horizon C is this layer of soil.
What is subsoil?
300
The Grand Canyon and other canyons were formed from this type of weathering over a long period of time.
What is water abrasion?
300
Sea arches are formed by this type of erosion.
What is water erosion?
300
Water seeps into the ground by this process.
What is infiltration?
300
Curves in a river are called this.
What are meanders?
400
The uppermost portion of soil horizon that contains grasses, bugs, and leaf litter.
What is the organic layer?
400
Acids in water that can dissolve minerals in rocks causes this type of weathering?
What is chemical weathering?
400
One example of erosion that occurs quickly.
What is a landslide?
400
Places where groundwater is stored.
What is an aquifer?
400
The places where a river ends.
What is the mouth?
500
Topsoil make up this horizon.
What is the A horizon?
500
Rusting is a chemical weathering process. The scientific name for this process is called _________.
What is oxidation?
500
Define erosion.
What is the movement of weathered materials?
500
Most of Earth's water is in this form.
What is salt water?
500
Meanders that get cut off by sedimentation forms this feature.
What is an oxbow lake?
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