science vocab Ecology
Terms
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- nuclear fission
- splitting of an atomic nucleus into 2 smaller nuclei during which nuclear energy id released
- lignite
- brown coal; second stage in the process of coal.
- bituminous coal
- spft coal, third stage in the process of coal.
- biomass
- any material such as wood that comes from living things and can be used as fuel.
- gasohol
- mixture of gasoline and acohol that can be used as fuel.
- petrochemical
- any useful substance derived from oil or natural gas.
- peat
- soft substance made of decaying plant fiber and id the first stage in the process of coal.
- hyrocarbon
- substance containing the elements hydrogen and carbon.
- hydroeletric power
- use of mechanical energy of falling or running water to generate electricity.
- anthracite
- hard coal, the last stage int the process of coal.
- combustion
- process in which hydrocarbon in fossil furels are combined with oxygen hight temperature and releasing heat energyand light energy burning.
- solar collector
- device that absorbs energy from the sun and converts it to heat, part of a active solar heating system.
- nucleus
- center or core of an atom; plural nuclei.
- fossil fuel
- fuel formed hundred of years ago from the remains of dead plants and animals.
- nuclear energy
- energy locked within the atoms nuclues
- tidal energy
- energy produced by the rise and the fall of the tides
- solar energy
- energy from the sun.
- chain reaction
- process in which the splitting or fission of atomic nucleus causes the splitting of additional nuclei
- photovotalic cell
- device the converts sinlight directly into electricity (solar cell.)
- nuclear fision
- combining 2 atmic nuclei to produce 1 larger nucleus with the realese of nuclear energy.
- geothermal energy
- energy produced from the heat within the Earth,