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the strength and vitality required for sustained physical or mental activity.
the energy of either an object in motion or the energy that is stored in objects by their position
a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons.
a form of energy that harnesses the power of water in motion—such as water flowing over a waterfall—to generate electricity
energy which a body possesses by virtue of being in motion
the energy contained within a system that is responsible for its temperature
thermal energy
the transformation of energy from forms provided by nature to forms that can be used by humans.
radiant energy emitted by the sun.
energy stored in the bonds of atoms and molecules.
coal, natural gas, oil, and nuclear energy
heat energy from the earth
geothermal energy
the potential energy a massive object has in relation to another massive object due to gravity
the energy generated by the movement of electrons from one point to another
made from decomposing plants and animals.
energy generated or produced by living or once-living organisms.
energy stored as a result of applying a force to deform an elastic object
radiant energy that travels in waves at the speed of light.
Solar, wind, hydroelectric, biomass, and geothermal power
the decision and practice of using less energy