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science voc lesson 1

QuestionAnswer
matter the physical material that has mass and occupies space
expansion the increase in the volume of matter that occurs when matter is heated
contraction the decrease in volume of matter when matter is cooled
dissolving the process that takes place when a solvent is mixed with a solute to make a solution
immiscible liquids that are unable to dissolve in one another
miscible liquids that are able to dissolve in one another
density the mass of a known volume of a substance; measured in g/cm3
chemical reaction any change that involves the formation of a new substance; has reactants and products
mass the amount of matter in an object; measured in g or kg
volume the amount of space occupied matter; measured in L, ml, cm3, or m3
burning rapid chemical reaction between a substance and a gas that produces heat and light. Most burning or combustion.
solid a phrase or state of matter in which a substance has a definite shape and volume
liquid a state or phrase of matter in which has a definite volume but no definite shape. Liquids take the shape of the container they occupy.
mixture two or more elements of compounds that are not chemically combined
physical property all the characteristic properties of a substance except those that determine how it behaves in a chemical reaction...
Created by: jsisson22
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