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### 16 Cards in this Set

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 CONDENSATION Changes a substance from a gas to a liquid. SOLID Has both definite shape and definite volume What happens at the melting point of a substance? The solid substance turns into a liquid. VOLUME The amount of space that an object takes up. Volume = length x width x height What process is the opposite of evaporation? Condensation WEIGHT A measure of the pull of gravity on an object. EVAPORATION Occurs when particles escape from a nonboiling liquid and becomes a gas. SOLUBILITY The ability of a substance to be dissolved. In which state of matter are the particles closest together? In a solid state. What is an example of a mixture? sugar and iron fillings; sugar and water LIQUID has definte volume but no definite shape DENSITY The concentration of matter in an object. Density = mass / volume (/ means divided by.) MATTER Anything that has mass and takes up space. GAS Has no definite shape or definite volume PHYSICAL PROPERTIES Characteristics of a substance that can be observed or measured without changingthe substance into something else. MASS The amount of matter in an object.