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Chapter 15

TermDefinition
energy the ability to do work
kinetic energy the energy an object has due to its motion
potential energy energy stored as a of a result of position or shape
gravitational potential energy potential energy that depends upon an object's height above a reference point
elastic potential energy the potential energy of an object that is stretched or compressed
Mechanical Energy the energy associated with the motion of everyday objects
thermal energy potential and kinetic energy of all the microscopic particles in an object
chemical energy energy stored in chemical bonds
electrical energy energy associated with electric charge
electromagnetic energy form of energy that travels through space in waves
nuclear energy energy stored in an atomic nuclei
energy conversion the process of changing energy from one form to another
nonrenewable energy sources exist in limited quantities once used cannot be replaced
fossil fuels oil, natural gas or coal
renewable energy sources 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 thermal energy beneath the Earths surface
biomass energy chemical energy stored in living things
hydrogen fuel cell generates electricity by reacting hydrogen with with oxygen
energy conservation finding ways to use less energy or use energy more efficiently
Created by: Jacob Hopkins