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chapter 17
| Question | Answer |
|---|---|
| energy | is the ability to do work or cause a change |
| kinetic energy | is the energy that an object has due to its motion |
| potential energy | is energy that an object has because of its position or shape |
| combustion | is the process in which a fuel burns because it combines rapidly with oxygen |
| energy efficiency | is an expression of how much of the energy put into a system actually does useful work |
| renewable energy | are nearly always available some where on earths surface or they replaced in a relatively short time |
| nonrenewable energy | in contrast cannot be replaced |
| electricity | which is energy made available by the flow of an electric charge is considered a secondary source of energy |
| strip mining | is the extraction of a mineral by removing a strip of the layers of soil and rock on top of the mineral deposit |
| subsurface mining | is typically the practice of digging shafts deep into the ground to find and remove a mineral |
| petroleum | is a dark liquid fossil fuel made up mostly of hydrocarbons |
| petrochemicals | are chemicals compounds that are derived from oil and used to make products |
| oil sand | are deposits of moist sand and clay containing bitumen is a thick. heavy form of petroleum that is rich in carbon |
| oil shale | is rock filled with a mixture of hydrocarbons once mined oil shale can be burned directly like coal |
| methane hydrate | is an ice like solid that consists of molecules of methane withing a crystal network of water molecule |
| acid drainage | occurs when sulfide minerals in exposed rock surfaces react with oxygen and rainwater to produce sulfurice acid |
| energy conservation | is the practice of reducing energy use to meet those goals |
| nuclear energy | is the energy that holds these particles together in the nucleus |
| nuclear fission | is the splitting of an atoms nucleus into two smaller nuclei |
| nuclear reactor | which generates electricity by controlled fission reactions |
| meltdown | the fuel rods produce so much heat that they melted a conditions known as a |
| nuclear waste | which is radioactive material left over from the production of energy and other processes |
| nuclear fusion | small nuclei of lightweight elements are forced together to form a heavier nucleus |
Created by:
braulio12345