Show:
Glaciers
Erosion
Weathering
Soil
Labs
100
Formed by glacial erosion.
What is horn, cirque or u-shaped valley?
100
Forms spits and headlands.
What is wave erosion?
100
Three mechanical weathering agents.
What is abrasion, animal actions, release of pressure, freezing and thawing or plant growth?
100
Largest soil particle.
What is gravel?
100
Amount of water retained after adding 50 ml to a soil sample and after 2 minutes the amount drained out was 13 ml.
What is 37 ml?
200
A depression fills with melting ice.
What is kettle lake?
200
movement of broken down rock.
What is erosion?
200
Acid rain, carbon dioxide, oxygen.
What is chemical weathering?
200
Ability of soil to support plant growth.
What is fertility?
200
The independent variable in our soil lab.
What is soil type?
300
Forms when sediments are deposited in mounds or ridges.
What is moraine?
300
Protects soil by holding it in place.
What are plant roots?
300
The cause of mass movents such as landslides.
What is gravity?
300
Plowing fields in curves along a slope.
What is contour plowing?
300
Weathering agent demonstrated in the shaking of sugar cubes.
What is abrasion?
400
Glaciers picking up large rocks.
What is plucking?
400
Removal of a large area of trees can cause wind and water erosion of the topsoil.
What is clear-cutting?
400
Evidence that the Appalachian mountains are older than the Sierras.
What is rounded or eroded peaks?
400
The restoration of La. coastal regions helps prevent the loss of ...
What is wetlands?
400
Layer of soil made up of decaying organic material.
What is humus?
500
When continental glaciers cover most of Earth's surface.
What is ice age?
500
As surface area increases the rate of weathering will...
What is increase?
500
One thing that determines the shape of sand dunes.
What is plant growth, wind direction or amount of sand?
500
Soil texture containing 60% sand, 30% silt and 10% clay
What is sandy loam?
500
Measure acidity of substances.
What is pH scale?