The Human Impact on the Environment -15.1 - 15.4 - Integrated Science I Luetje
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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| environment | everything that surrounds a living thing
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| pollution | anything that harms the environment
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| List four substances that cycle through the environment. | water
carbon dioxide
oxygen
nitrogen
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| pollutants | harmful substances
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| What substance do animals take in when they breathe in? | oxygen
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| What substance do animals take in when they breathe out? | carbon dioxide
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| How does nitrogen get from the air into compounds in the soil? | When plants and animals die, the nitrogen compounds are broken down by different bacteria.
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| natural resources | materials from the earth that are used by living things
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| What are renewable resources? | natural resources that can be reused or replaced
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| What are nonrenewable resources? | natural resources that are not easily replaced by nature or by human effort
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| conservation | the wise use of natural resources
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| Examples of renewable resources: | air
water
soil
living things
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| Examples of nonrenewable resources: | oil
coal
natural gas
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| fossil fuels | oil, coal, and natural gas
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| potential energy | stored energy
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| hydroelectric power | electrical energy produced from moving water
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| kinetic energy | energy of motion
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| nuclear energy | energy produced by splitting or combining atoms
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| hydroelectric power plant | place where moving water produces electricity
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| turbine | drives an electric generator in a hydroelectric plant
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| radiation | dangerous energy produced in nuclear reactors
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| What is one problem with using nuclear power? | radio active waste/radiation
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| Why is it important to conserve fossil fuels? | they are nonrenewable resources because they can take millions of years to form. once fossil fuels are used up they are basically gone forever.
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| What are two advantages of producing electricity in hydroelectric plants? | does not pollute the air and is renewable
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| Solar energy is from the _________. | sun
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| Energy produced form moving air is ______ energy. | wind
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| Geothermal energy comes from heat inside ______. | the earth
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| Geothermal energy warms ____________. | groundwater
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| Tidal energy can be used only near a __________ where tides are very high and very low. | shoreline
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| ____________ convert sunlight into energy. | Solar cells
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| Energy produced by rising and falling tides is __________ energy. | tidal
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| Wind energy is a _____________ resource. | renewable
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