Chapter 6, Lesson 4 - Ecosystems
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Transcript of Chapter 6, Lesson 4 - Ecosystems
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Chapter 6, Lesson 4Cycles of Life
water cyclecarbon cyclenitrogen cyclewater vaporgroundwaterwatershedrunoffcompostingraw materials inexhaustible resource renewable resource non-renewable resource
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Water Cycle – the continuous movement of water between the Earth’s
surface and the air, changing from liquid to gas to liquid.
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Carbon Cycle – the continuous transfer of carbon between the atmosphere and living things. Just like water in the water cycle, carbon is renewed
in the carbon cycle.
Click on the picture to play the carbon cycle labeling game!
Click here for carbon cycle videos.
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Nitrogen Cycle – the way nitrogen moves between the air, soil, plants, and
animals.
Click on the picture for more information.
Click on the picture for more information.
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water vapor – water in its gas state
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groundwater – water that seeps in and is stored in the ground
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watershed – an area on which water runs downhill to a common stream, lake, or river
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runoff – water that moves across the land, heading for low places, and eventually, the
ocean
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composting – a process by which organic matter like leaves, plant materials, food scraps
and grass clippings breakdown to be used in the soil. The compost contains nitrogen, phosphorus,
and potassium, which help enrich the soil.
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raw materials – things that are used to make products – wood, metals, sand,
oil are all raw materials
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inexhaustible resource – a resource, like the sun, that will not run out
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renewable resource – a resource, like plants and animals, that can be
grown, or produced to make more
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nonrenewable resource – many raw materials, such as oil and metals
are non-renewable resources