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environmetal science vocabulary
chapter 18 vocabulary
17
Environmental Studies
12th Grade
04/18/2013

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Term
biomass energy
Definition
the energy produced from organic materials (e.g., plants and human wastes)
Term
biofuel
Definition
fuel from organic sources
Term
biopower
Definition
electricity generated by the combustion of organic materials
Term
geothermal energy
Definition
a type of renewable energy that is generated deep within the earth; produced by the breakdown of radioactive elements and pressure together
Term
ground source heat pump
Definition
a network of pipes that circulates water from the ground (for heating) and back into the ground (for cooling)
Term
hydropower
Definition
electricity generated from the energy of moving water
Term
tidal energy
Definition
electricity generated from the movement of the tides
Term
ocean thermal energy conversion(OTEC)
Definition
the process of changing the solar energy stored in the ocean to electric power
Term
passive solar heating
Definition
using the design of a building (versus technology) to collect, store, and distribute the sun's energy
Term
active solar heating
Definition
the use of technology to collect, store, and distribute the sun's energy
Term
flat-plate solar collector
Definition
a mental box that absorbs the sun's energy to heat water or air
Term
photovoltaic(PV)cell
Definition
a device that converts solar energy directly into electricity
Term
concentrating solar power(CSP)
Definition
a technology that uses the heat of the sun to generate electricity; mirrors focus the sun's energy, which is used to heat the water that fuels electric power plants
Term
wind turbine
Definition
a device that converts the wind's kinetic energy into electrical energy
Term
wind farm
Definition
a power plant that uses wind turbines to generate electricity
Term
electrolysis
Definition
a process that releases hydrogen by using an electric current to break down water molecules
Term
fuel cell
Definition
a device that converts hydrogen or another fuel into electricity
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