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Forces and Motion #2

QuestionAnswer
a material that allows heat to pass through it easily conductor
a material that prevents heat from passing through it insulator
a measure of the amount of matter in an object mass
the force of gravity between Earth and an object weight
a measure of how much space an object takes up (can be calculated by L x W x H) volume
the upward push of a liquid on an object placed on it buoyancy
a measure of how tightly packed the matter in an object is density
to shrink, as when a material gets cooler contract
to spread out, as when a material gets hotter expand
matter in this forms keeps their shape and the molecules are linked in organized positions solid
matter in this form take the shape of their containers and the molecules can slide around each other liquid
matter in this form fill the volume of their containers and the molecules move around the most gas
the changing of a liquid into a gas evaporation
the changing of a gas to a liquid condensation
the particular temperature for each substance at which it changes state from a solid to a liquid melting point
the particular temperature for each substance at which it changes from a liquid to a gas boiling point
when a substance changes state from a liquid to a solid freezing point
a change of matter in size, shape, or state without any change in identity physical change
a change of matter that occurs when atoms link together in a new way, creating a new substance different from the original substance chemical change
one of the three forms that matter can take- solid, liquid, or gas. states of matter
the flow of heat through a material, causing hot parts to rise and cooler parts to sink convection
the giving off of infrared rays through space radiation
the passing of heat through a material while the material itself stays in place conduction
anything that has mass and takes up space matter
Created by: mrswhitley