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Chapter 18 Vocab
Vocabulary
| Term | Definition |
|---|---|
| Biomass Energy | Is energy that is produced from this material |
| Biofuels | Are helping to power millions of vehicles on today's roads |
| Biopower | Electricity that is generated by the combustion of biomass |
| Geothermal Energy | Which heats rocks below Earth's surface, sometimes melting them to form liquid rock called magma |
| Ground Source Heat Pump | Takes advantage of the fact that the temperature of soil a few feet underground stays about the same all year, even though the air temperature changes with seasons |
| Hydropower (or Hydroelectric) | We use the kinetic energy of moving water to turn turbines and generate electricity |
| Tidal Energy | Refers to using the movement of tidal water to generate electricity |
| Ocean Thermal Energy Conversion (OTEC) | Is a process that converts the thermal energy in ocean water to electrical energy that people can use |
| Passive Solar Heating | Involves designing a building to collect, store, and distribute the sun's energy naturally |
| Active Solar Heating | System uses technology to collect, move, and store heat derived from the sun |
| Flat-Plate Solar Collector | Generally consists of a black, heat-absorbing metal plate In a flat box with a glass cover |
| Photovoltaic (PV) Cell | Solar energy is converted directly into electricity |
| Concentrating Solar Power (CSP) | Is a technology that uses mirrors to focus sunlight in order to generate electricity |
| Wind Turbine | Is a device that converts the wind's kinetic energy, or energy of motion, into electrical energy. |
| Wind Farms | Wind turbines are most often built in groups |
| Electrolysis | Water molecules are broken down into oxygen gas (O2) and hydrogen gas (H2) by an electric current that runs through the water |
| Fuel Cells | Hydrogen gas can be used to produce electricity within |