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