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Ch. 3 EMS VOC 3-4

Chapter 3 - Mr. Pasone's Enviornmental Science

TermDefinition
Crust A thin layer of relatively cool rock that forms Earth's outer skin, both on dry land and in the ocean
Mantle A layer of very hot but mostly solid rock below the crust
Core Beneath the lower mantle is the very hot, very dense center of our planet. The ball-shaped core lies beneath the cool crust and the mostly solid mantle
Tectonic Plate Tectonic plates (also called lithospheric plates) is a big, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere
Landform Features such as mountains (above and beneath the ocean's surface), islands, and continents
Deposition The laying down of sediment carried by wind, flowing water, the sea or ice
Evaporation The conversion of a substance from a liquid to a gas
Transpiration The release of water vapor by plants through their leaves
Precipitation Water returning to the Earth as a liquid E: Ice, snow, rain, etc
Condensation A change in the state from a gas to a liquid
Aquifer Layers of rock and soil that hold groundwater, fresh water found underground
Groundwater The fresh water found underground
[LESSON 4 BEGINNING] - Law of Construction of Matter Explains why the amount of matter in the environment stays the same as it flows through matter cycles, such as the water cycle
Nutrient Matter that organisms require for their life processes
Biogeochemical cycle Nutrients that cycle through all of Earth's sphere's and organisms
Primary Producer Organisms, including plants and algae, that produce their own food
Photosynthesis Producers pulling carbon dioxide out of their environment and combine it with water in the presence of sunlight. Chemical bonds in carbon dioxide (CO²), and water (H²O), are then broken, producing oxygen (O2) and carbohydrates such as glucose, (C6 H1 O6)
Consumer Organisms, mainly animals, that eat other organisms to gain the nutrients they need
Decomposer Organisms such as bacteria and fungi that break down wastes and dead organisms for nutrients
Cellular Respiration The process in which organisms use oxygen to release the chemical energy of sugars and release CO2 and water. In gernal terms, it's the chemical reverse of photosynthesis
Eutrophication The addition of phosphorus to bodies of water can lead to an overgrowth of producers (usually algae)
Nitrogen Fixation The conversion of nitrogen gas into ammonia. This can occur by the intense energy of a lightning strike, or when air in the top layer of soil comes in contact with particular types of nitrogen-fixing bacteria.
 

 



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