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14 terms

Science 6: Temperature, Thermal Energy, and Heat

Vocabulary words for lessons 4.1, 4.2, 4.3, thermal energy, and kinetic theory of matter.
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temperature
a measure of the average kinetic energy of all the particles in an object
thermometer
a device for measuring temperature
degree
evenly spaced units used to measure temperature
heat
a flow of energy from an object at a higher temperature to an object at a lower temperature
calorie
the amount of energy needed to increase the temperature of 1 gram of water by 1 degree C
joule (J)
the standard scientific unit used to measure energy

1 calorie = 4.18 joules
specific heat
the amount of energy required to raise the temperature of 1 gram of a substance by 1oC
conduction
The process that moves energy (heat) from one object to another when they are touching
conductor
material that transfers energy (heat) easily
insulator
material that does NOT transfer energy (heat) easily
convection
The transfer of energy (heat) by the movement of particles in liquids and gases
radiation
Energy (heat) travels through empty space on electromagnetic waves (light, microwaves, and infrared light)
kinetic theory of matter
a theory stating that all matter is made of particles in motion
thermal energy
the total amount of kinetic energy of particles in an object