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2.2 Cycles Of Matter

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    2.2 Cycles Of Matter 2.2 Cycles Of Matter Presentation Transcript

    • Cycles of Matter Mr. Schumaier
    • What are the three most important cycles of matter? 1
    • The Three important cycles of matter are: The Water Cycle The Carbon & Oxygen Cycles The Nitrogen Cycle 1
    • What is the WATER CYCLE? 2
    • A continuous process where water moves from the Earth's surface to the atmosphere and back. 2
    •  
    • What three major processes make up the water cycle? 3
    • The three major processes are evaporation, condensation, and precipitation. 3
    • What is EVAPORATION? 4
    • Process where liquid water changes to a gas state. Energy for evaporation comes from the sun. 4
    •  
    • What is CONDENSATION? 5
    • Process by which a gas changes to a liquid state. Will eventually form clouds. 5
    •  
    • What is PRECIPITATION? 6
    • Drop of liquid that fall back to the Earth. Rain, Snow, Sleet, Hail, 6
    •  
    • What change of state occurs when water from the surface of the ocean enters the atmosphere as water vapor? 7
    • Evaporation 7
    •  
    • How is carbon dioxide used by producers? 8
    • Producers use carbon from carbon dioxide to produce other carbon-containing molecules. 8
    •  
    • How is oxygen returned to the environment? 9
    • Plants and other producers release oxygen as a byproduct of photosynthesis. 9
    •  
    • What is NITROGEN FIXATION? 10
    • Process of changing free nitrogen gas into a usable form of nitrogen 10
    • What are NODULES? 11
    • Bumps on the roots of plants where bacteria live. The plants include clover, beans, peas, alfalfa, and peanuts. 11
    • How is nitrogen fixation a necessary part of the nitrogen cycle? 12
    • Most organisms cannot use free nitrogen in the atmosphere. Nitrogen fixation combines free nitrogen with other elements to form compounds that organisms can use. 12
    •  
    • Explain how the movement of matter through an ecosystem is different than the movement of energy through an ecosystem. 13
    • Matter can be recycled over and over again. In contrast, once energy has moved from the producers to the consumers and then the decomposers, it cannot be recycled. A new supply must be “captured” by the producers. 13
    • Water Cycle Jump
    • The End