KInetic Theory Vocabulary (PSM)

The amount of energy required to change a substance from the solid phase to the liquid phase

• Heat of Fusion

• Heat of Vaporization

• Boiling point

• Melting point

A form of matter consisting of positively and negatively charged particles.

• Thermal expansion

• Plasma

• Viscosity

• Diffusion

An explanation of the behavior of molecules in matter; states that all matter is made of constantly moving particles that collide without losing energy.

• Viscosity

• Diffusion

• Kinetic theory

• Heat of fusion

The temperature at which a solid begins to liquefy.

• Boiling Point

• Heat of Vaporizaiton

• Melitng Point

• Heat of Fusion

The increase in the size of a substance when the temperature is increased.

• Kinetic Theory

• Plasma

• Boiling Point

• Thermal Expansion

The spreading of particles throughout a given volume until they are uniformly distributed

• Diffusion

• Vaporizatio9n

• Boiling Point

• Melting Point

The amount of energy required for the liquid at its boiling point to become a gas.

• Boiling Poinr

• Melting Point

• Heat of Fusion

• Heat of Vaporization

The temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid.

• Boiling Point

• Kinetic Theory

• Melting Point

• Heat of Vaporization

Ability of a fluid-a liquid or a gas-to exert an upward force on an object immersed in the fluid.

• Pascal

• Buoyancy

• Pressure

• Vaporization

SI unit of pressure.

• Pascal

• Diffusion

• Buoyancy

• Viscosity