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36 Cards in this Set
- Front
- Back
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Natural resources
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materials on earth available for our use
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Renewable resources
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can be replaced by natural means in a short time
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Nonrenewable resources
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cannot be replaced easily
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fossil fuels
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petroleum, natural gas, coal
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Petroleum
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liquid rock
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crude oil
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retrieves petroleum
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refinery
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a factory that separates crude oil into different products
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Petroleum chemicals
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chemicals produced from oil
plastics, paint, fabrics, makeup and some foods |
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Natural gas
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a fossil fuel in a gaseous state
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coal
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formed from plant material
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anthracite
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best and cleanest grade of coal
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bituminous
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most common type of coal
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lignite
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brown and has pieces of wood in it
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uranium
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used in nuclear reactors to produce electricity
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oil slick
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layer of oil on surface of water
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boom
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flotation device
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reservoirs
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holding areas behind dams
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hydroelectric energy
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produced from the reservoirs and turns turbines
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geothermal energy
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uses heat from the earth to produce steam
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wind energy
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air movements to produce electrical energy
windmills |
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solar energy
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using the Sun's energy to power and heat
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mineral
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solid substance found naturally in the earth's surface
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veins
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concentrated areas of specific minerals
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ores
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materials with usable amounts of metal in them
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smelting
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the process to separate metal from other materials
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malleable
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gold, soft and shapeable
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silver
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money and jewelry
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copper
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money
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iron
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plentiful and useful
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aluminum
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practical and lightweight
most abundant metal in earth's crust |
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soil
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natural resource
renewable |
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ground cover
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a low growing crop - clover
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contour plowing
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a method used to help keep water from washing away soil
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GPS
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global postioning system
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Hydrosphere
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all water found in lakes, oceans, streams, rivers, soil, underground and in the air
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water cycle
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know this diagram
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