Thermal Energy (TE)

thermal energy

energy involved in temperature changes, dependent on speed of the particles

endothermic

when energy enters a system

exothermic

when energy exits a system

system

the objects or substances being observed

surroundings

everything not in the system

calorimetry

Measuring the amount of heat released or absorbed during a chemical reaction or physical process

freezing

the change of phase from a liquid to a solid

melting

the change of phase from a solid to a liquid

evaporation

the change of phase from a liquid to a gas

condensation

the change of phase from a gas to a liquid

sublimation

the change of phase from a solid to a gas

deposition

the change of phase from a gas to a solid

heat

form of energy from the random motion of particles

thermal equilibrium

a state of a system in which all parts are at the same temperature.

heating

process of making or becoming hot or warm.

cooling

process of making or becoming less hot or warm