Terms : Hide Images
| 10024721215 | Energy | The ability to do work or cause a change | 0 | |
| 10024721216 | Kinetic energy | The energy produced by motion | 1 | |
| 10024721217 | Potential energy | The energy that an object has because of its position or shape | 2 | |
| 10026910996 | forms of energy | mechanical, electrical, thermal, electromagnetic, chemical, nuclear | 3 | |
| 10024721218 | Combustion | Burning; the chemical reaction when fuel combines rapidly with oxygen; produces heat (thermal energy) and light (electromagnetic energy) | 4 | |
| 10024721219 | Energy efficiency | An expression of how much of the energy put into a system actually does useful work | 5 | |
| 10024721220 | Renewable energy | An energy resource that is readily available or that can be replaced in a relatively short time; includes wind, moving water, the sun's heat, and wood | 6 | |
| 10024721221 | Nonrenewable energy | An energy resource that cannot be replaced in a relatively short time; includes fossil fuels (coal, oil, natural gas) and nuclear energy | 7 | |
| 10024721222 | Electricity | The energy produced by the flow and interaction of electrons, secondary source of energy because it must be produced from other forms (i.e. burning coal, etc) | 8 | |
| 10026949208 | fossil fuels | formed from remaining of organisms during geological history of Earth (oil - marine animals; coal - plants) | 9 | |
| 10026964746 | coal | the most abundant; main producers USA and China | 10 | |
| 10024721223 | Strip mining | A type of mining in which layers of surface soil and rock are removed from large areas to expose the resource (coal) | 11 | |
| 10024721224 | Subsurface mining | A type of mining in which vertical shafts are dug deep into the ground and networks of horizontal tunnels are dug or blasted out to follow deposits of a resource | 12 | |
| 10026978248 | oil | major source of energy today | 13 | |
| 10024721225 | Petroleum | A liquid fossil fuel made up mostly of hydrocarbons; the primary source of gasoline | 14 | |
| 10024721226 | Petrochemical | A chemical compound derived from oil that is used to make plastics, detergents, and other products | 15 | |
| 10027001449 | supply of fossil fuels | nonrenewable, the most accessible source are mostly used up | 16 | |
| 10026988545 | natural gas | methane and other gases, yields large amount of energy, less polluting than others | 17 | |
| 10027009765 | new sources of fossil fuels | oil sands, oil shale, methane hydrate; all are more expensive to extract | 18 | |
| 10024721227 | Oil sands | A deposit of moist sand and clay that can be mined to extract bitumen, an oil-rich hydrocarbon | 19 | |
| 10024721228 | Oil shale | Rock that contains hydrocarbons; can be burned directly or processed to extract liquid petroleum | 20 | |
| 10024721229 | Methane hydrate | An icelike solid that consists of molecules of methane within a crystal network of water molecules; can be burned to release energy | 21 | |
| 10024721230 | Acid drainage | The acid and the metals it causes to leach from rock that seep into groundwater or enter streams and lakes as runoff | 22 | |
| 10024721231 | Energy conservation | Reducing energy use to prolong the supply of fossil fuels | 23 | |
| 10027031187 | pollution from fossil fuels | greenhouse gases, air pollution (smog, acid rains), water pollution (oil runoffs from human activities, massive oil spills), health risks | 24 | |
| 10027059404 | damage caused by extracting fossil fuels | dangers of mining, strip mining destroys habitats, acid drainage, erosion, building roads destroys habitats, damage to ecosystems (Alaska, Arctic Refuge) | 25 | |
| 10027089267 | dependence of foreign sources | political and economic impacts | 26 | |
| 10027096464 | energy conservation | practice of reducing energy use; in order to save fossil fuels and decrease damage | 27 | |
| 10024721232 | Nuclear energy | The energy that holds protons and neutrons together in the nucleus of an atom | 28 | |
| 10024721233 | Nuclear fission | The conversion of the energy within an atom's nucleus to usable thermal energy by splitting apart atomic nuclei | 29 | |
| 10024721234 | Nuclear reactor | A facility within a nuclear power plant that generates electricity through controlled nuclear fission (fission - steam - turbine - electricity - water cooled; cycle starts again) | 30 | |
| 10024721235 | Meltdown | The accidental melting of the uranium fuel rods inside the core of a nuclear reactor, causing the release of radiation | 31 | |
| 10027127439 | costs | accidents; nuclear waste | 32 | |
| 10027120654 | benefits | no air pollution, very efficient | 33 | |
| 10024721236 | Nuclear waste | The radioactive material left over from the production of energy and other processes in a nuclear power plant | 34 | |
| 10024721237 | Nuclear fusion | The conversion of the energy within an atom's nucleus to usable thermal energy by forcing together the small nuclei of lightweight elements under high temperature and pressure, not possible to use - requires more energy than it produces - for now) | 35 |
