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Unit3MatterEnergy6th
Unit 3 Matter and Energy in Ecosystems 6th grade
| Term | Definition |
|---|---|
| abiotic matter | matter that makes up the nonliving parts of an ecosystem, such as air, water, and rocks |
| atoms | the tiny pieces that all matter—all the stuff in the world—is made of |
| biodome | a closed ecosystem made by humans |
| biotic matter | matter that makes up the living and dead organisms in an ecosystem |
| carbon | a type of atom (a tiny piece) that makes up molecules such as carbon dioxide and energy storage molecules |
| carbon dioxide | a molecule made of carbon and oxygen atoms |
| cellular respiration | the chemical reaction between oxygen and glucose that releases energy into cells |
| chloroplast | the part of a cell where photosynthesis happens |
| connect | to link two or more things |
| consumer | an organism that needs to eat in order to get energy storage molecules (such as starch and fat) |
| decomposer | an organism that gets energy storage molecules (such as glucose) by breaking down dead matter |
| ecosystem | all the living and nonliving things interacting in a particular area |
| energy | the ability to make things move or change |
| energy storage molecule | a molecule that organisms can use to release the energy they need to survive |
| fat | a type of energy storage molecule |
| glucose | a molecule that organisms can use to release energy, and that is made of carbon, hydrogen, and oxygen atoms |
| glycogen | a type of energy storage molecule |
| input | something that is required for a process |
| mitochondrion | the part of a cell where cellular respiration happens |
| molecule | a group of atoms joined together in a particular way |
| organisms | living things, such as plants, animals, and bacteria |
| output | something that results from a process |
| photosynthesis | the process by which plants and other producers use energy from sunlight to change carbon dioxide and water into oxygen and glucose (an energy storage molecule) |
| producer | an organism that can make its own energy storage molecules (such as glucose) |
| product | an ending substance that is made during a chemical reaction |
| reactant | a starting substance that is part of a chemical reaction |
| starch | a type of energy storage molecule made of many glucose molecules connected together |
| system | a set of interacting parts forming a complex whole |
| carbon cycle | the movement, fixation, and reuse of carbon in the atmosphere, biosphere, lithosphere, and hydrosphere |
| nitrogen cycle | the movement, fixation, and reuse of nitrogen in the atmosphere, biosphere, lithosphere, and hydrosphere |
| crystalline structures (solid) | extended structures with repeating subunits of atoms, such as salt, sugar, sand, snow/ice |
Created by:
akguidry
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