Cycles of Matter
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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water cycle | the continuous process that water moves from earth's surface to the atmosphere and back
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evaporation | the process by which moleules of liquid water absorb energy and change into a gas
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condensation | the process by which a gas changes into a liquid
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precipitation | heavy drops of water from condensed water vapor in the clouds, that fall as rain, snow, sleet, or hail
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nitrogen fixation | the process of changing free nitrogen into a usable form of nitrogen
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What processes are involved in the water cycle? | evaporation, condensation, precipitation, surface runoff
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How are carbon and oxygen recycled in ecosystems? | animals breathe in oxygen and release carbon dioxide, plants take in carbon dioxide and release oxygen
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What is the nitrogen cycle? | Nitrogen moves from the air to the soil, into living things, and back into the air.
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What process causes water from the surface of the ocean to enter the atmosphere as water vapor? | evaporation
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What role do producers play in the carbon and oxygen cycles? | Producers take in carbon dioxide gas from the air during photsynthesis. Producers release oxygen as a result of photosynthesis.
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Where do some nitrogen fixing bacteria live? | In bumps called nodules on roots of certian plants.
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Created by:
ljudd
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