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30 Cards in this Set
- Front
- Back
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Natural Resource |
Materials in the environment that are useful to people |
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Fuels |
Material that is burned to produce heat energy |
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Nonrenewable Resource |
Natural resources, such as fossil fuels, that will eventually be used up and can never be replaced |
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Renewable Resource |
Natural resources that nature can produce again such as trees, plants, water, oxygen, and soil |
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Alternative Energy Source |
Energy coming from a source other than those made from fossil fuels (solar, wind, hydroelectric, geothermal, and biofuels) |
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Conservation |
The practice of decreasing the use of natural resources to save them |
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Fossil Fuels |
Nonrenewable resources made from dead plants and animals |
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Biofuels |
Fuel created from plants or other organic matter |
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Hydroelectric Energy |
Energy that is generated by water power plants using falling water to spin turbines |
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Geothermal Energy |
Uses heat stored inside of the Earth to spin turbines to generate electricity |
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Anything harmful to the environment |
Pollutant |
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Gas that warms atmosphere |
Carbon dioxide |
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Caused by increase in carbon dioxide |
global warming |
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Increases soil erosion |
Clear-cutting or deforestation |
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Using fossil fuels |
Increases carbon dioxide in atmosphere |
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Melts polar ice caps and causes sea level to rise |
global warming |
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Reduce ozone levels in atmosphere |
CFCs |
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Transports fresh water to densely populated areas |
Aqueducts |
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Needed to produce geothermal energy |
Magma |
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How green plants reduce carbon dioxide level |
Photosynthesis |
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Surface layer, thermocline, bottom layer |
Three layers of the ocean |
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Covers 75% of the Eath |
Oceans/Water |
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Comprises 97% of all the water on Earth |
Oceans/Saltwater |
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Site of most of the freshwater on Earth |
Polar Ice Caps/Glaciers |
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Water held underground |
Groundwater |
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Where freshwater is found |
Lakes, rivers, streams |
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Periodic rise and fall in sea level Caused by the moon |
Tides |
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Cycle in which water is always moving and recycling |
Water Cycle |
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All of the water on Earth |
Hydrosphere |
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Steps in the Water Cycle |
Precipitation Runoff Infiltration Evaporation Condensation |
