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Grade 8 Ch E5 Vocab
Science Explorer Environmental Science Ch 5
Question | Answer |
---|---|
Energy transformation | A change from one form of energy to another; also called an energy conversion |
Combustion | The process of burning fuel |
fossil fuel | An energy-rich substance (such as coal, oil, or natural gas) formed from the remains of organisms |
hydrocarbon | An energy-rich chemical compound that contains carbon and hydrogen atoms |
petroleum | Liquid fossil fuel |
refinery | A factory in which crude oil is heated and separated into fuels and other products |
petrochemical | A compound made from oil |
solar energy | Energy from the sun |
hydroelectric power | Electricity produced using the energy of flowing water |
biomass fuel | Fuel from living things |
gasohol | A mixture of gasoline and alcohol |
geothermal energy | Heat from Earth’s interior |
nucleus | The central core of an atom that contains protons and neutrons |
nuclear fission | The splitting of an atom’s nucleus into two smaller nuclei and neutrons |
nuclear fusion | The combining of two atomic nuclei to produce a single larger nucleus and much energy |
energy conservation | The practice of reducing energy use |