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Carbon Cycle
8th Grade Unit 18
| Term | Definition |
|---|---|
| Rock Cycle | a continuous process where rocks change from one type to another (like igneous, sedimentary, and metamorphic) over time, through processes like melting, cooling, weathering, erosion, and compaction, driven by the Earth's internal heat and pressure |
| Anthropogenic Carbon | carbon dioxide (CO2) released into the atmosphere as a direct result of human activities |
| Dissolved Minerals | minerals that have been broken down and dissolved into a liquid, usually water |
| Erosion | a natural process that breaks down and moves soil, rocks, and other materials on the Earth's surface |
| Carbonic Acid | a very weak acid that forms when carbon dioxide (CO2) dissolves in water |
| Carbon Cycle | the continuous movement of carbon atoms between the Earth's atmosphere, oceans, living organisms, and soil |
| Abiotic Factors | non-living parts of an ecosystem that affect the organisms that live there |
| Fossil Fuels | non-renewable energy sources that come from the remains of ancient organisms |
| Combustion | a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light. |
| Fuel | a substance that can be burned to create heat, electricity, or other forms of energy |
| Respiration | the process of breathing in oxygen and breathing out carbon dioxide |
| Seafloor Carbon | carbon dioxide that is stored on the ocean floor, primarily in the form of dead organic matter from marine life that has sunk and accumulated over time |
| Weathering | the process by which rocks and minerals break down over time due to natural forces |
| Short Term Reserves | a storage for carbon where carbon is always moving through it like plants or the atmosphere |
| Long Term Reserves | a storage for carbon where carbon is held over time until an outside source causes it to enter the carbon cycle |
| Carbon | chemical element, represented by the symbol "C", that is a fundamental building block of life on Earth |
| Reservoirs | a place on Earth where large amounts of carbon are stored |
| Photosynthesis | the process by which plants use sunlight, water, and carbon dioxide to create sugar (energy) for themselves, releasing oxygen as a byproduct |
| Decomposition | the process by which dead organic substances are broken down into simpler organic or inorganic matter |
Created by:
klstorie
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