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Level 24

Thermal Physics


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Brownian motion
The random motion of particles in a fluid
Kinetic model
A representation of matter, stating that all matter is made of tiny particles that are in constant motion.
State of matter
A form of matter resulting from how particles are grouped together
Temperature
A measure of how hot or cold something is
Arrangement
An organized group
Regular
An arrangement with an obvious pattern
Random
Without any reason or organization
Fixed
Staying in a certain state or position
Negligible
Can be ignored
Internal Energy
The combination of the total kinetic and potential energies of the molecules
Thermometer
A tool used to measure temperature
Thermocouple
A tool that uses a voltmeter to help tell the temperature
Thermal energy
The total kinetic energy of the atoms or molecules
Celsius
A temperature measuring scale that divides the interval between the freezing and boiling points of water into 100 equal divisions.
Kelvin
A temperature measuring scale that sets zero as the lowest possible temperature
Fahrenheit
A temperature measuring scale mainly used in the U.S.
Absolute zero
The theoretical lowest possible temperature
Boiling point
The temperature at which a liquid state becomes a gas state