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Lesson 3 and 4

TermDefinition
Crust The thin layer of rock that forms earth outer surface on land and in the ocean
mantle A layer of very hot but mostly solid rock
core Earths outer core is made of molten metals such as iron and nickel that are almost as hot as the surface of the sun
tectonic As the asthenosphere moves ,it drags along large plates of lithosphere called tectonic plates
landform These collisions and separations of plates result in landforms
deposition Climate characteristics in turn affect the rates of soil formation,erosion and deposition
evaporation water moves from bodies of water and moist soil into the atmosphere by evaporation
transpiration water also enters the atmosphere by transpiration
precipitation Water returns from the atmosphere to Earth's surface as precipitation such as rain or snow
condensation Precipitation occurs when water vapor undergoes condensation
aquifer Are layers of rock and soil that hold groundwater,fresh water found underground
groundwater fresh water found underground
Law of conservation of matter Matter may be transformed from one type to another,but it can not be created or destroyed
nutrient Are mater that organisms require for their life processes organisms need several dozen nutrients
biogeochemical cycle Nutrients circulate endlessly throughout the environment in complex cycles called
primary producer Are organisms including plants and algae,that produce their own food
photosynthesis producers pull carbon dioxide out of their environment and combine it with water in the presence
consumer are organisms,mainly animals, that must eat other organisms to obtain nutrients
decomposer are organisms such as bacteria and fungi that break down wastes and dead organisms
cellular respiration Is the process by which organisms use oxygen to release the chemical energy of Sugers and release CO and water
eutrophication The addition of phosphorus to bodies of water can lead to an overgrowth of producers in a process
nitrogen fixation Is the conversion of nitrogen gas into ammonia
Created by: Jamierosas
 

 



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