vocab 1-14-2015 Flashcards
liquid
phase of matter that can flow and change shape but has a constant volume
fluid
a form of matter that flows when any force is applied, no matter how small. liquids and gasses are fluids
gas
phase of matter with high energy molecules that can expand to fill a container
pressure
a distributed force per unit area that acts within a fluid
intermolecular forces
forces between separate atoms and molecules that are attractive at a distance but repulsive at close range
melting point
the temperature at which a substance changes from a solid to a liquid
boiling point
the temperature a which a substance changes from a liquid to a gas
evaporation
change from a liquid to a gas at a temperature below the boiling point
condensation
change from a gas to a liquid at a temperature below the boiling point
convection
the transfer of heat through the motions of fluids such as water or air
solid
a phase of matter with a definite shape and constant volume
strength
the ability to maintain shape under the application of forces
elasticity
the ability to be stretched or compressed and then return to itts original size
brittlenesss
the tendency to break or crack; the opposite of elasticity
ductility
the ability to bend with out breaking
