Wednesday, April 20, 2011

geology

geology is the study of rocks and processes of our earth and its history.

3 types of rock:
  • igneous rock
  • sedimentary
  • metamorphic
lime soil
cly
sandy soil

5 principles of soil forms:
  • parent rock material
  • topography 
  • time climate
  • biological activities
  • human factors
5 types of weathering
  • carbionation
  • hyclorysis
  • hydration
  • exdation
  • spheroidal
physical weathering:
  • animal & plants
  • cristelaization
  • temp.
  • unloading
  • exfoliation
different kinds of erosion
  • sheet
  • rill
  • gully
  • over land flow
  • abrasion
  • corrosion
  • hydraulic
weather:
is the mix of events that happen each day in our atmosphere including temp.,rainfall & humanity

climate:
in your place on the globe controls the weather   where you live climate is the overage weather pattern in a place over many years.

  • thermosphere
  • mesosphere
  • stratosphere
  • troposphere
cloud types:

low clouds.
  • nimbo stratus
  • cumulus
  • stratus
  • strata culumus
  • stratus
  • nimb stratus
  • fog
mid clouds

  • alto stratus
  • alto culumus
high clouds

  • cirus stratus
  • cirus
  • cirus cumulus
wind is formed by high pressure and to a low pressure

sea breeze: wind from sea to land
land breeze: wind from land to sea
anabatic: rise (day)
catabatic: sinks (night)

cold front:
where warm and cold air meats. windy, cold, thunderstorms

thunderstorms:
  1. orthographic - caused by air forced up by a mountain hillside.
  2. air-mass thunderstorm - localized conviction in unstable air mass
  3. frontal thunderstorm - when pressure meats front
  • occur along boundaries of fronts eg. cold front 

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