Science: Natural Resources

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Natural Resource
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part of the environment that are useful or necessary for the survival of living things
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renewable resource
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any natural resource that is constantly recycled or replaced by nature
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nonrenewable resource
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natural resources that are used faster than they can be replaced
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fossil fuel
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most of the energy you use comes from these. They are NONRENEWABLE. Can cause major pollution. 3 main types
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coal, oil, natural gas
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list the 3 fossil fuels in order from our notes
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hydroelectric power
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using water to turn the the turbines to generate electric power
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wind power
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wind turns the turbines that generate the power
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nuclear power
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getting energy to turn the turbines by splitting the nucleus of uranium
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uranium
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a radioactive, nonrenewable resource; the element used in nuclear power
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geothermal energy
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using the heat energy from the Earth’s crust
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solar energy
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using solar panels and heat absorbing materials to capture the sun’s heat and energy
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smog
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created when sunlight reacts with pollutants; produced by burning fuels
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greenhouse effect
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atmospheric gases trap some of the sun’s rays… and this is good because without it we probably wouldn’t be warm enough to sustain life!
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carbon dioxide
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____ _____ is one of the main gases that helps trap sunlight.
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Global Warming
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a rise in the Earth’s temperature, possibly caused by an increase in global gases
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Ozone
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3 atoms of oxygen; absorbs sun’s dangerous UV rays
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CFC
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used in cooling systems of fridges, A/Cs, freezers, and aerosols. Depletes the ozone layer (ABBREVIATION REQUIRED)
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carcinogen
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causes cancer
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cigarette smoke, formaldehyde, carbon monoxide, radon
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4 causes of indoor air pollution in ORDER from our notes
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solid waste
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______ _____ often goes to landfill.
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air, water
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Landfills are often made ___ and ___ tight.
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hazardous waste
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harmful to human health or poisonous to living organisms
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reduce
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___ your use of natural resources (use less fossil fuels, buy products that use less packaging)
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reuse
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take a _______ bag to the grocery store, cut back on disposable paper items
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recycle
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a form of reusing that requires changing or reprocessing an item
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plastic
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have to be recycled according to their \”type\”
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metals
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steel, aluminum, iron, and copper
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glass
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most ___ bottles contain at least 25 percent recycled
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paper
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this is used to make __ towels, insulation, newsprint, cardboard, and stationary
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compost
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grass clipping, leaves, fruit, and veggie scrabs can be broken down into great garden soil

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