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Matter Vocabulary

review of basic matter related vocabulary

QuestionAnswer
matter the stuff that all objects and substances in the universe are made of
volume the space matter occupies (takes up)
mass a measure of the amount of matter in a given object
properties characteristics that help us identify or classify matter
physical properties can be observed without changing the identity of the matter; determined with five senses
chemical properties describe matter based on its ability to change into a new kind of matter with different properties
physical changes changes where the matter keeps its identity
chemical changes the kind of change that produces new substances
density the amount of matter in a given space
ductility the ability to be pulled into a thin strand, like wire
malleablility the ability to be pressed or pounded into a thin sheet,like aluminum foil
boiling point the temperature at which a substance changes from a liquid into a gas
melting point the temperature at which a substance changes from a solid into a liquid
electrical conductivity how well a substance allows electricity to flow through it
solubility the ability to dissolve in another substance
solid keeps its shape and volume
liquid takes on the shape of its container, keeps the same volume, can flow
gas takes on the shape and volume of its container, can flow
plasma the fourth state of matter
melting the change from a solid state to a liquid state
freezing the change from a liquid state to a solid state
vaporization the change from a liquid state to a gaseous state, aka boiling or evaporation
condensation the change from a gaseous state to a liquid state
element different kinds of atoms; simplest form of matter
compounds two or more elements that are combined to make a new substance with new properties
molecule two or more combined atoms that are the smallest particle of a substance that keeps the properties of the substance
diatomic molecule contains only 2 atoms
chemical reaction when one or more substances change to form one or more new substances
reactants substances that change during a reaction (what you start with)
products substances that are a result of a reaction (what you end up with)
mixture a combination of two or more substances that have not combined chemically
solution a mixture that looks like a single substance; like koolaid
suspension a mixture in which the components are dispersed but still big enough to see and settle out; like italian dressing
solute a substance in a solution that dissolves into the solvent
solvent the subtance into which a solute is dissolved; usually a liquid
Created by: bwilliamsscience on 2011-10-17



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