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chapter 17 vocab

TermDefinition
Energy The ability to do work or cause change
Kinetic energy The energy that an object has due to motion
Potential energy The energy that an object has due to its position or shape
Combustion The process in which a fuel burns is because it combines rapidly with oxygen
Energy efficiency An expression of how much of the energy put into a system is actually does useful work
Renewable Energy Nearly always available somewhere on Earth's surface
Nonrenewable energy Resources that cannot be replaced
electricity Energy made available by the flow of an electrical charge
Petroleum a dark liquid fossil fuel made up mostly of hydrocarbons
Strip mining The extraction of a mineral by removing a strip of layers of soil and rock from the top of the mineral deposit
Subsurface mining Typically, the practice of digging shafts deep into the ground to find and remove a mineral
petrochemicals Chemical compounds that are derived from oil and used in products
oil sands Deposits of moist sand and clay containing bitumen
oil shale A rock-filled mixture of hydrocarbons that consists of methane within a crystal
methane hydrate An ice-like solid that consists of methane within a crystal network
acid drainage sulfide minerals in exposed rock surfaces react with oxygen and rainwater to produce sulfuric acid
Nuclear energy energy that holds those particles together in the nucleus
Nuclear fission the splitting of an atoms nucleus into two smaller nuclei
nuclear reactor a nuclear reactor produces electricity by controlled fission reactions
meltdown high amounts of radiation causes a meltdown
nuclear waste radioactive material left over from the production of energy and other processes
energy conservation the practice of reducing energy use to meet goals
 

 



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