Term Definition
matter anything that has mass and takes up space
condensation when a gas cools and becomes a liquid
evaporation to convert into vapor
melting point the temperature at which a solid melts
boiling point the temperature at which a liquid boils
freezing point the temperature at which a liquids solidifies
density a measure of how the tightly packed matter is; the amount of mass contained in a given volume
volume the amount of space a object takes up
buoyancy the upward push on an object by the liquid (or gas) the object is placed in
mass the amount of matter in a object usually measured in kilograms
weight (on earth) a measure of the force of gravity between earth and a object
insulator not allowing heat or electricity to follow through easily
conductor allowing heat or electricity to flow easily
atom the smallest unit of an element that still has the properties of an element
molecule more than one adem joined together
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