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Stack #4649651
| Question | Answer |
|---|---|
| Energy | the ability to work or cause change |
| kinetic energy | the energy that am object has due to motion |
| potential energy | the energy that an object has because of its position or shape |
| combustion | the process in wich a fuel burns becuase it combines rapidly with oxygen |
| energy effiency | an expression of how much of the energy put into the system actualy does useful work |
| renewable energy | an energy resource that could be replaced in a short amount of time |
| nonrenewable resources | am energy resource that cannot be replaced in a short time |
| electricity | the energy produced by flow amd interactions of electrons |
| strip mining | the extraction of a mineral by removing a strip of the layer of soil and rock on top og=f mineral deposit |
| subsurface mining | typically practice of digging shafts deep into the ground to find and remove a mineral |
| Petroleum | A dark liquid fossil Fuel Made fossil fuel made up mostly of hydrocarbons |
| Oil sands | Deposits of mooist sand and clay containing bitumen |
| Oil shale | Rock filled with a mixture of hydrocarbons |
| Methane hydrate | An ice like solid that consists of molecules of methane within a crystal network of water molecules |
| Acid draining | When sulfide minerals in exposed rock surfaces react with oxygen and rainwater to produce sulfuric acid |
| Energy conservation | The practice of reducing energy use to meet those goals |
| Nuclear energy | The energy trhat holds these particles together in the nucleus |
| Nuclear fission | The splitting of an atom's nucleus into two smaller nuclei |
| nuclear reactor | electricity by controlled fission reactions |
| meltdown |