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14 terms

Chapter 4

STUDY
PLAY
Kinetic theory of matter
states that all of the particles that make up matter are constantly in motion
temperature
a measure of the average kinetic energy of the particles in a sample of matter
degree
units that temperature is measured in
thermometer
a device that measures temperature by regular change in the material inside it
heat
flow of energy due to temperature differences
thermal energy
the total random kinetic energy of particles in an object
calorie
the amount of energy needed to raise the temperature of 1 gram of water by one degree C
joule
standard unit of energy
specific heat
the heat required to raise the temperature of one gram of a substance one degree centigrade
conduction
the transfer of heat within a material or between materials that are touching
conductor
a material that easily allows the flow of electricity
insulator
a material that does not transfer energy easily
convection
a process that moves energy throught large numbers of particles in a gas or liquid moving in a particular direction
radiation
energy that moves as electromagnetic waves