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Chapter 1

Using energy and heat

TermDefinition
energy ability to cause change
potential energy stored energy due to the interaction between objects or particles
chemical energy the energy stored in and released from the bonds between atoms
nuclear energy the energy stored in and released from the nucleus of an atom
kinetic energy energy due to motion
electric energy the energy in an electric current
mechanical energy the sum of the potential energy and the kinetic energy in a system
thermal energy the sum of the kinetic energy and the potential energy of the particles that make up the object
wave disturbance that transfers energy from one place to another without transferring matter
sound energy energy carried by sound waves
radiant energy energy carried by electromagnetic waves
law of conversation of energy says that energy can be transformed from one form to another, but it cannot be created or destroyed
energy transfer when energy moves from one object to another without changing form
energy transformation when one form of energy is converted to another form of energy
work transfer of energy that occurs when a force makes an object move I the direction of the force. Is only being done while the force is acting on the object
open system system that exchanges matter or energy with the environment
closed system system that doesn't exchange matter or energy with the environment
renewable energy resource an energy resource that is replaced as fast as, or faster, than it is used
nonrenewable energy resource an energy resource that is available in limited mounts or that is used faster than it can be replaced in nature
temperature the measure of the average kinetic energy of the particles in a material
heat the movement of thermal energy from a region of higher temperature to a region of lower temperature
conduction transfer of thermal energy by collisions between particles in matter
radiation the transfer of thermal energy by electromagnetic waves
convection the transfer of thermal energy by the movement of the particles from one part of a material to another
vaporization the change of state from a liquid to a gas
thermal conductor material in which thermal energy moves quickly
thermal insulator a material in which thermal energy moves slowly
Created by: booecam3836