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chapter 15 vocab

TermDefinition
energy is the ability to do work
kinetic energy the energy of motion
potential energy energy that is stored as a result of position or shape
gravitational potential energy potential energy that depends upon an objects height
elastic potential energy the potential energy of an object that is stretched or compressed
mechanical energy the energy associated with the motion and position of every day objects
thermal energy the total potential and kinetic energy of all the microscopic particles in an object
chemical energy the energy stored in chemical bonds
electrical energy is the energy associated with electric charges
electromagnetic energy is a form of energy that travels through space in the form of waves
nuclear energy the energy stored in atomic nuclei
energy conversion the process of changing energy from one from one form to another
nonrenewable energy resources exists in limited quantities and, once used, cannot be replaced except over the course of millions of years
fossil fuels oil, natural gas, coal, formed underground from the remains of once living organisms.
renewable energy resources resources that can be replaced in a relatively short period of time.
hydroelectric energy energy obtained from flowing water
solar energy sunlight that is converted into usable energy
geothermal energy is thermal energy beneath Earths surface
biomass energy the chemical energy stored in living things.
hydrogen fuel cell generates electricity by reacting hydrogen with oxygen
energy conservation ways to use less energy or to use energy more efficiently