20 terms

Changes of State

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surface tension
uneven forces acting on liquid particles that make the liquid seem like it is covered with a thin film
viscosity
how much a liquid resists flowing
deposition
matter in a gas state changes directly to the solid state without becoming liquid
crystalline solid
solids with particles that arranged in a three-dimensional, repeating pattern
solid
matter with a definite shape and volume
liquid
matter that has a definite volume but no definite shape
gas
matter that does not have a definite shape or volume
kinetic energy
the energy of the motion of particles
thermal energy
the total kinetic energy of all the particles in a substance
temperature
is the average kinetic energy of all the particles of a substance
heat
movement of thermal energy from a substance at a higher temperature to a substance at a lower temperature
melting
the change from the solid state to the liquid state
freezing
the change from the liquid state to the solid state
vaporization
the change from a liquid to a gas
boiling
vaporization below the surface of a liquid
evaporation
vaporization at the surface of a liquid
condensation
a change from a gas to a liquid
sublimation
substances change from a solid state to a gas state without ever becoming liquid
amorphous solid
solids that come together without forming a repeating pattern
energy
the ability to do work or cause change
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