Flashcards in Chapter 16-18 (reverse) Deck (27):
Energy produced from moving water and is a renewable resource accounting for about 20% of the world's electricity.
The energy from heat in the Earth's crust.
Energy sources that are still in development.
The percentage of energy put into a system that does useful work.
Saving energy in ways such as using energy-efficient devices and wasting less energy.
A naturally occurring, usually inorganic solid that has a characteristic chemical composition, an orderly internal structure, and a characteristic set of physical properties.
Minerals that are valuable and economical to extract.
Method by which are deposits that are usually found 50 m or more beneath Earth's surface are mined.
The methods that are used when are deposits are located close to Earth's surface.
Surface-deposits where the minerals from rocks disintegrated by weather are concentrated by wind and water.
A process where crushed ore is melted at high temperatures in furnaces to separate impurities from molten metal.
The layer of flux and impurities, which are less dense, formed on top of the molten metal during smelting.
The process of returning land to its original or better condition after mining is completed.
The remains of ancient organisms that changed into coal, oil, or natural gas.
A machine that converts mechanical energy, or motion, into electrical energy.
Oil that is pumped from the ground, also known as crude oil.
Oil deposits that can be extracted profitably at current prices using current technology.
The energy within the nucleus of an atom which nuclear power plants get their power from.
A process where the collisions of atoms cause the nuclei to split when bombarded with atomic particles.
When lightweight atomic nuclei combine to form a heavier nucleus and release tremendous amounts of energy.
Energy from sources that are constantly being formed.
The use of the sun's energy to heat something directly.
Passive Solar Heating
Technology that gathers energy from the sun through collectors to use to heat water or to heat a building.
Active Solar Heating
Plant material, manure, and other inorganic matter that is used as an energy source.
Technology such as the experimental power station off the shores of Hawaii which use temperature difference between the surface at the ocean, which is warmed by solar energy, and deep ocean waters to generate electricity.
Ocean Thermal Energy Conversion (OTEC)
Produces electricity chemically by combing hydrogen fuel with oxygen from the air like a battery.