manure
See animal manure, green manure.
Subject:
Chapter 16 - Energy Efficiency and Renewable Energy
life cycle cost
Initial cost plus lifetime operating costs of an economic good. Compare full cost.
Subject:
kilowatt (kW)
Unit of electrical power equal to 1,000 watts. See watt.
Subject:
hydropower
Electrical energy produced by falling or flowing water. See hydroelectric power plant.
Subject:
Hydroelectric power plant
Structure in which the energy of falling or flowing water spins a turbine generator to produce electricity.
Subject:
Geothermal energy
Heat transferred from the earth's underground concentrations of (1) dry steam (steam with no water droplets), (2) wet steam (a mixture of steam and water droplets), or (3) hot water trapped in fractured or porous rock.
Subject:
energy efficiency
Percentage of the total energy input that does useful work and is not converted into low-quality, usually useless heat in an energy conversion system or process. See energy quality, net energy. Compare material efficiency.
Subject:
cogeneration
Production of two useful forms of energy, such as high-temperature heat or steam and electricity, from the same fuel source.
Subject:
biofuel
Gas or liquid fuel (such as ethyl alcohol) made from plant material (biomass).
Subject:
animal manure
Dung and urine of animals used as a form of organic fertilizer. Compare green manure.
Subject:
Pages
Need Help?
We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.
For general help, questions, and suggestions, try our dedicated support forums.
If you need to contact the Course-Notes.Org web experience team, please use our contact form.
Need Notes?
While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!
