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Cycles of Matter

(Kennedy M) Key Terms

TermDefinition
The Law of Conservation of Mass States that matter is neither created nor destroyed during chemical or physical changes.
The Law of Conservation of Energy States that energy can neither be created nor destroyed - only converted from one form of energy to another.
Photosynthesis The process in which producers, mainly plants, take in carbon dioxide and water with the aid of sunlight to produce food and oxygen..
Cellular Respiration The process in which producers, consumers, and decomposers convert food and oxygen to produce energy, carbon dioxide, and water.
Water Cycle Describes the movement of water from the Earth's surface to the atmosphere and back in various forms/states.
Evaporation The process of water changing to water vapor due to increased heat.
Condensation The process of rising water vapor cooling and changing into water droplets.
Dew A form of condensation that can take place on plants or other objects on a cool morning.
Precipitation The process in which heavy droplets of water fall to the ground in the form of rain, snow, sleet, or hail.
The Carbon Cycle Describes the movement of carbon atoms through the ecosystem between living organisms and the atmosphere.
The Oxygen Cycle Describes the movement of oxygen atoms through the ecosystem between living organisms and the atmosphere.
The Nitrogen Cycle Describes how Nitrogen moves between plants, animals, bacteria, and the atmosphere, and soil in the ground.
Nitrogen Fixation The process of changing free nitrogen gas (N2) into a usable form of nitrogen called nitrogen compounds.
Created by: morrow.kennedy
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