Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
renewable energy
|
Energy form sources that are always being formed
|
|
compost
|
a mixture of decomposing organic matter that is used as soil conditioner
|
|
Alternative energy
|
Energy that does not come from fossil fuels and is still in development
|
|
Fuel Cell
|
a device that produces electricity chemically by combining hydrogen fuel with oxygen from the air
|
|
Leachate
|
a liquid that has passed through solid waste and has extracted materials from that waste, such ha pesticides in the soil
|
|
oil reserves
|
Oil deposits that are discovered and are in commercial production
|
|
Petroleum
|
a liquid mixture of complex hydrocarbon compounds used widely as a fuel source
|
|
Nuclear Energy
|
the energy released by a fission or fusion reaction
|
|
Energy efficiency
|
the percentage of energy put into a system that does useful work.
|
|
Recycling
|
the process of recovering valuable or useful materials form waste or scrap: reusing some items
Ex: Plastic |
|
Hydroelectric energy
|
electrical energy produced by falling water
|
|
Biodegradable material
|
Material that can be broken down by biological processes
|
|
Mineral
|
a natural inorganic solid with a set of chemical properties
|
|
solid waste
|
a discarded solid material such as garbage.
|
|
energy conservation
|
the process of saving energy by reducing energy use and waste
|
|
Passive solar heating
|
the use of sunlight to heat buildings directly
|
|
Hazardous wastes
|
wastes that are a risk to the health of humans
|
|
Geothermal energy
|
energy produced by heat withing the earth
|
|
fossil fuels
|
a nonrenewable energy resource formed long ago
Ex: oil, coal, natural gas |
|
landfill
|
an area of land where wastes are placed for disposal.
|