Science Chapter 9 Flashcards
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electrode
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A metal strip used in electrolysis
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Water that is found in Lakes, streams, and rivers.
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Surface water
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Water that soaks into the ground and collects in small spaces between bits of soil and rock.
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Ground water
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__________ is the process of removing ores from earths crust.
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Mining
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Pollution that can be traced back to a single or specific place of origin.
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Point Source
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The Largest amount of water on earth is salt water, found in the __________.
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Oceans
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A mineral source that can be mined at a profit.
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Ore
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What percent of earth is covered by water?
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Seventy
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The Removal of all trees in one area is called?
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Clear Cutting
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Even though trees are considered renewable _________ are not.
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Forests
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Pollution sources that come from many different places, such as industries, homes, and farms and are difficult to trace their origins.
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Nonpoint Source
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One benefit from ___________ is that they absorb carbon dioxide and produce oxygen.
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forest
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Metal objects come from what?
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Mineral resources
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What is the careful use of resources with the goal of reducing damage to the enviroment.
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Conservation
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Resources that can't be replaced within 100 years.
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nonrenewable resources
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Energy resources formed from decaying remains of ancient plants and animals.
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Fossil fuels
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Energy from the Sun
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Solar Energy
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Energy produced by splitting atomic nuclei
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Nuclear Energy
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Heat Energy from below the earths surface that can be used to generate electricity.
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Geothermal energy
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Introduction of harmful substances into the inviroment.
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Pollution
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Electricity produced by using moving water.
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hydroelectric power
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Produced when gases from burning coal and oil mix with water vapor that then condenses
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Acid Rain
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Energy resource that can be recycled or replaced by natural process in less than 100 years. ie...wind
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renewable resources
