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CH 3 Lessons 3 & 4
CH 3 Lessons 3 & 4 Vocabulary
| Question | Answer |
|---|---|
| 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 |
| Core | outer core is made of molten metals such as iron and nickel that are almost as hot, inner core is a dense ball of solid metal |
| Tectonic plates | plates of lithosphere and asthenosphere dragged along |
| Landforms | feature such as mountains, islands, and continents |
| deposition | climate characteristic that affect the rates of soil |
| Evaporation | the conversion of a substance from liquid to a gas |
| Transpiration | the release of water vapor by plants through their leaves |
| Precipritation | such as rain or snow |
| condensation | a change in state from a gas to a liquid |
| aquifers | layers of rock and soil that hold groundwater |
| groundwater | fresh water found underground |
| Law of conservation of matter | Matter may be transformed from one type to another, but it cannot be created or destroyed. |
| Nutrients | matter that organisms require for their life processes |
| Biochemical cycles | Nutrients circulate endlessly throughout the environment in complex cycles |
| primary producers | organisms, including plants and algae, that produce their own food |
| photosynthesis | producers pull carbon dioxide out of their environment and combine it with water in the presence of sunlight |
| Consumers | organisms, mainly animals, that must eat other organisms to obtain nutrients |
| Decomposers | organisms such as bacteria and fungi that break down wastes and dead organsims |
| Cellular respiration | the process by which organisms use oxygen to release the chemical energy of sugars and release CP2 and water |
| euthopication | The addition of phosphorus to bodies of water that lead to an overgrowth of producers |
| Nitrogen fixation | the conversion of nitrogen gas into ammonia |