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Lessons 3 and 4Vocab

science method -Vocab

TermDefinition
crust The thin layer of relatively coll rock that forms Earths outer skin both dry land and in the ocean
mantle The layer of very hot but mostly solid rock
core The lower mantle of earth
tectonic plates The Asthenosphere moved, it drags along large plates of lithosphere .
landforms Above and beneath the oceans surface
deposition The depositing of eroded soil at a new location
evaporation The conversion of a substance from a liquid to a gas
transpiration The release of water vapor by plants through their leaves
precipitation The atmosphere to Earths surface such as rain and snow
condensation The change in a state from gas to a liquid
aquifers The surface water that soaks down through soil and rock to recharge underground reservoirs or storage areas
groundwater The fresh water found underground
law of conservation The amount of matter in the environment stays the same as it flows through matter cycles
nutrients The matter that organisms require for their life processes
biogeochemical cycles The nutrients circulate endlessly throughout the environment in complex cycles.
primary producers The organisms including plants and algae that produce their own food
photosynthesis The producers pull carbon dioxide out of their environment and combine it with water in the presence of sunlight
consumers The organisms,mainly animals,must eat other organisms to obtain nutrients
decomposers The organisms such as bacteria and fungi that break down water and dead organisms
cellular respiration The process by which organisms use oxygen to release the chemical energy of sugars and release
eutrophication the addition of phosphorus to bodies of water can lead to an overgrowth of producers
nitrogen fixation the conversion of nitrogen gas into ammonia
 

 



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