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25 Cards in this Set
- Front
- Back
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_____ _____ are parts of the enviroment that are useful or necessary for living organisms to survive.
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Natural Resources
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A natural resoucre that is constantly recycled or replaced by nature is a
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renewableresource
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Natural resources that are used up more quickly than they can be replaced are called __________.
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nonrenewable resource
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_____ _____ such as coal, oil, and natural gas are nonrenewable resources that form in Earth's crust over very long periods of time.
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Fossil Fuels
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_____ _____ _____ can be used to help conserve fossil fuels.
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Alternative energy sources
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_____-_____ _____ is energy from falling water used to generate electricity.
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Hydro-electric power
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Wind truns the blades of a turbine, which powers an electric generator.
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Wind Power
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The fission of uranium atoms generates nuclear energy that is used to produce electricity
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Nuclear Power
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_____ _____ plants use geothermal energy from the heat in Earth's crust to generate electricity
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Geothermal power
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_____ _____ can be captured in photovolatic cells, which turn sunlight into electric current, or in materials that retain heat.
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Solar energy
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A _________ is a substance that contaminates the air, land, or water.
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pollutant
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Air pollution sources include ____, _____, ___, & _____ such as carbon dioxide, carbon monoxide, nitrogen oxides, and sulfur oxides.
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soot, smoke, ash, and gases
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____ is created when sunlight reacts with pollutants.
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Smog
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____ ____________ results from air pollutants reacting with water in the atmosphere.
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Acid precipitation
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The _____ _____ ______ is increased carbon dioxide trapped in the atmosphere thatmay cause global warming.
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green house effect
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_____ _________, the thinning of the ozone layer, is caused by CFCs and can result in increased UV radiation reaching Earth's surface.
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Ozone depletion
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Water is polluted when ___ __ ____ __________ enter rivers, lakes, or oceans.
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air or land pollutants
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_______ _____ ________include chemical pesticides, raw sewage, and fertilizer.
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Surface water pollutants
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__________ can become polluted as idt seeps through particles of rock and soil or collects in underground pools called aquifers.
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Groundwater
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______ is the movement of soil from one place to another; it causes the loss of fertile top soil.
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Erosion
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____________ can help prevent shortages of natural resources, slow growth of landfills, reduce pollution levels, and save money.
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Conservation
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Conservation includes reducing the use of ______ _______.
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natural resources
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Conservation includes ______ natural resources.
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reusing
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Reprocessing an item or natural resource for reuse
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Recycle
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Different types of platic can be sorted for recycling by ______ _____.
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recycle codes
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