modul 39 guide

apes

active solar energy

solar energy to heat a fluid -- either liquid or air -- and then transfer the solar heat directly to the interior space or to a storage system for later use.

ground source heat pump

a heating/cooling system for buildings that uses a type of heat pump to transfer heat to or from the ground

photovoltaic solar cell

an electronic device that converts the energy of light directly into electricity by the photovoltaic effect

fuel cell

a cell producing an electric current directly from a chemical reaction.

wind turbine

a __turbine__ having a large paned wheel __rotated__ by the wind to generate electricity.

electrolysis

chemical __decomposition__ produced by passing an electric current through a liquid or solution containing __ions__.

geothermal energy

the thermal energy in the Earth's crust which originates from the formation of the planet and from radioactive decay of materials