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Energy Grade 8 NWMS

Energy Vocabulary for 8th Grade Science

energy efficiency Percentage of energy put into a system that does useful work; energy not lost to the environment
energy distribution how much energy is produced by each source
biomass energy from living materials; wood, biofuels, etc.
sustainable able to continue indefinitely
energy conservation The practice of reducing energy use
biofuel Fuels, such as ethanol or methanol, that are created from the fermentation of plants or plant products.
fossil fuels Energy from ancient plants and animals; stored as coal, oil, natural gas, peat, etc.
geothermal energy energy captured from the earth's heat energy
hydroelectric energy energy captured from water movement/flow
wind energy energy captured from air movement
photovoltaic cells Cells in solar energy that convert energy from the sun directly into electricity
solar energy energy from the sun
nuclear energy energy captured from the fission (splitting) or fusion (putting together) of atoms
Law of Conservation of Energy Energy cannot be created or destroyed, only transformed
energy conversion the process of changing energy from one form to another
energy transfer Movement of energy from one place or object to another
chemical energy Energy stored in chemical bonds
thermal energy Heat energy
potential energy Stored Energy
kinetic energy Energy of motion
nonrenewable a resource that cannot be replaced faster than it is used
alternative energy energy from renewable sources that do not continuously harm the environment
radiant energy energy carried by light
mechanical energy Kinetic & potential energy associated with the motion & position of an object
renewable resource that can be replaced at the same or greater rate than it is consumed
depletion all of a resource is used
carbon footprint measure of the impact human activities have on the environment in terms of the amount of greenhouse gases produced
Created by: fawsha