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chapter 17
| Term | Definition |
|---|---|
| Energy | The ability to do work or cause a change. |
| Kinetic energy | The energy produced by motion. |
| Potential energy | The energy that an object has because of its position of shape. |
| Combustion | Burning; the chemical reaction when fuel combines rapidly with oxygen. |
| Energy efficiency | An expression of how much of the energy put into a system actually does useful work. |
| renewable energy | An energy resource that is readily available or that can be replaced in a relatively short time; includes wind, moving water, sunlight, and wood. |
| nonrenewable energy | An energy resource that cannot be replaced in a relatively short time. |
| Electricity | The energy produced by the flow and interaction of electrons. |
| Strip mining | The extraction of a mineral by removing a strip of the layers of soil and rock on top of the mineral deposit. |
| Subsurface mining | Typically the practice of digging shafts deep into the ground to find and remove a mineral. |
| Petroleum | A dark liquid fossil fuel made up of mostly of hydrocarbons. |
| Petrochemicals | Chemical compounds that are derived from oil and used to make products. |
| Oil sands | Deposits of moist 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 drainage. | 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 that holds these particles together in the nucleus. |
| Nuclear fission | The splitting of an atom's nucleus into two smaller nuclei. |
| Nuclear reactor | Generates electricity by controlled fission reactions. |
| Meltdown | The fuel rods produced so much heat that they melted. |
| Nuclear waste | radioactive material left over from the production of energy and other processes. |
| nuclear fusion | Small nuclei of light weight elements are forced together to form a heavier nucleus. |