Module 14 Terms Flashcards
Explanation of the
behavior of particles in gases; states that matter is made of constantly moving particles that collide without losing energy
Kinetic Theory
Temperature at which a solid begins to liquefy
Melting Point
Amount of energy required to change a substance from the solid phase to the liquid phase
Heat of fusion
The temperature at which the pressure of the vapor of a liquid is equal to the external pressure acting on the surface of the liquid
Boiling Point
The amount of energy required for a liquid at its boiling point to become a gas
Heat of vaporization
Process by which a solid slowly changes to a gas without first entering a liquid state
Sublimation
Hot, highly ionized, electrically conducting gas
Plasma
Increase in the volume of a substance when the temperature is increased
Thermal Expansion
Ability of a fluid, which include liquids and gases, to exert an upward force on an object immersed in it
Buoyancy
Amount of force exerted per unit area; SI unit is the pascal
Pressure
a substance’s internal resistance to flow
Viscosity
State that the volume and pressure of a gas are related, such that if the temperature of a gas remains constant, an increase in volume causes a proportional decrease in the pressure
Boyle’s law
States that the temperature and volume of a gas are related such that, if the pressure is constant, an increase in temperature will produce a proportionate increase in the volume
Charles’s Law
