Chemical weathering is weathering in which a chemical change takes place in the rock or rock particles.
100
What is a drumlin?
A drumlin is long mounds of glacial drift that run parallel to the glaciers retreat.
100
What is frost wedging?
Frost wedging is the mechanical breakup of rock caused by the expansion of freezing water in cracks and crevices.
100
What is a horizon?
A horizon is a layer in a soil profile.
100
What is an outwash plain?
An outwash plain is a region where glacial melt has created streams that dry up and deposit sediment.
200
What is constructive force?
Constructive force is a natural geological process that makes minerals, rocks, and landforms.
200
What is erosion?
Erosion is the physical movement of weathered material by water wind and ice.
200
What is GIS?
GIS is a geographic information system; a computer system that lets scientists store, share, analyze, and display vast amounts or geographic information.
200
What is a kame?
A kame is a large mound of stratified drift left by a retreating glacier.
200
What are pore spaces?
Pore spaces are a network of holes that lets air and water circulate, in soil.
300
What is contour interval? What is a counter line? What is a contour map?
Contour force is the difference in elevation between contour lines. A counter line is a line on a map that connects places that have the same elevation. A contour map is a map that shows the different elevations of an area of land.
300
What is an erratic?
An erratic is an individual bolder dropped by glacier made by igneous and metamorphic rock.
300
What is a glacier?
A glacier is a huge mass of ice that does not completely melt over the course of a year.
300
What is mass wasting?
Mass wasting is the downslope movement of sediment because of gravity.
300
What is stratifies drift?
Stratifies drift is the sediment left behind by glacial melt water, in which the heaviest sediments are at the bottom, and the smallest and lightest are at the top.
400
What is deposition?
deposition is the placement of sediment to produce land-forms.
400
What is an esker?
An esker is long ridge of stratified drift left behind when a glacier retreats.
400
What is GPS?
GPS is a global positioning system; a network of orbiting satellites that constantly broadcast radio signals allowing anyone on Earth with a GPS receiver to determine his or her altitude, longitude, and latitude
400
What is mechanical weathering?
mechanical weathering is the physical disintegration of rock into smaller fragments.
400
What is terminal moraine?
Terminal moraine is long ridges of till marking the farthest advance of a glacier.
500
What is destructive force?
Destructive force is a natural geological process that wears down land-forms.
500
What is estuary?
Estuary is an area where the mouth of a river meets the ocean, and example of this is the Delaware Bay.
500
What is ground moraine?
Ground moraine is broad plains of till left by a retreating edge of a glacier.
500
What is a moraine?
A moraine is a structure made or sediment dropped by a glacier.
500
What is till? What is topsoil? What is weathering?
Till is the sediment dropped directly by a glacier's edge. Topsoil is the surface soil, including the organic layer in which plants have their roots. Weathering is the wearing down of rocks and soil by chemical and physical processes.