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14 Cards in this Set

  • Front
  • Back
lithosphere
The solid rock portion of the earths surface.
core
solid, metallic center of the earth
loess
wind blown silt that accumulates and creates very fertile soil
hurricane
a storm with a violent winds that form in late summer to early fall over tropical waters off the coast of africa and normally track toward the U.S.A.
biome
classification of forest, tundra, grassland, etc...
deciduous
broadleaf trees such as oak, maple etc... that shed their leaves in the winter
infrastructure
the basic support systems needed to keep an economy going. for example: transportation, communications, education, water, sewer, power and sanitation
population density
the average number of people per square mile of land
mortality rate ( death rate )
the number of deaths per 1,000 people
dialect
a version of a language related to class, region or other cultural changes
diffusion
the spread of ideas, inventions, and behaviors
culture
the knowledge, attitudes, and behaviors shared by and passed on by the members of a group
moraine
the rocks left behind by the glacier which may form a ridge or hill
cultivation
farming or planting