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weathering and erosion quizerooni
vocabulary
26
Science
7th Grade
01/24/2013

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Term
Landforms
Definition
Natural features of the landscape, natural physical features of the earth's surface.
Term
Marsh
Definition
A type of wetland
Term
Wetland
Definition
An area with a high proportion of watery land
Term
Topography
Definition
The study of the land and water features of an area; an example of topography is a map that shows the land elevations in a state.
Term
Contour lines
Definition
Lines that show an area's elevation, slope and relief on a map.
Term
Contour intervals
Definition
The difference in elevation from one. Contour line to the next.
Term
Key
Definition
Explanatory table of symbols used on a map or chart
Term
Scale
Definition
The ratio of a distance on the map to the corresponding distance on the ground.
Term
Topographical map
Definition
A map showing topographic features, usually by means of contour lines.
Term
Stability
Definition
Resistance to change
Term
Mean
Definition
An average; the quotient of the sum of several quantities and their number.
Term
Mode
Definition
The number that shows up the most in a set of data
Term
Median
Definition
The number in the middle in a set of numbers.
Term
Delta
Definition
An area of land at the end of a river that is formed by the buildup of sediment.
Term
River channel
Definition
The physical confine of a river consisting of a bed and stream banks.
Term
Erosion
Definition
The process by which sediments are removed from the Earth's surface (eroding or being eroded) by wind, water or natural agents.
Term
Deposition
Definition
The process by which sediment is added to a landform or landmass, transported by wind, water or gravity.
Term
Earth processes
Definition
Dynamic actions that occur both on the earth's surface and inside the Earth.
Term
Constructive
Definition
The process that builds up land masses on the earth's surface
Term
Destructive
Definition
The breaking down of the earth's land masses on the earth's surface
Term
Abrasion
Definition
The process of wearing down by friction
Term
Mechanical weathering
Definition
Weathering caused by ice, plant roots and moving water for example.
Term
Chemical weathering
Definition
Weathering causing the changes of the composition of rocks by chemical means, for example oxidation
Term
Exfoliation
Definition
The process in which layers or sheets of rock gradually break off
Term
Ecologist
Definition
A scientist who studies the relationships between plants, animals, and their environments.
Term
Geologist
Definition
A scientist who studies rocks and minerals
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