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Matter

Vocabulary for Matter Unit

matter anything that has mass and takes up space
substance a single kind of matter that is pure and has a specific set of properties.
physical property a characteristic of a pure substance that can be observed without changing it into another substance.
chemical property a characteristic of a substance that describes its ability to change into different substances
atom the basic particle from which all elements are made: the smallest particle of an element that has the properties of that element.
element a pure substance that can not be broken down into other substances by chemical or physical means
molecule a neutral group of two or more atoms held together by covalent bonds.
compound a substance made of two or more elements chemically combined in a specific ratio or proportion
mixture two or more substances that are together in the same place but their atoms are not chemically bonded
mass a measure of how much matter is in an object
volume the amount of space that matter occupies.
weight a measure of the force of gravity acting on an object
density the measurement of how much mass of a substance is contained in a given volume
physical change a change that alters the form or appearance of a material but does not make the material into another substance
chemical change a change in which one or more substances combine or break apart to form new substances.
Created by: cbieberich
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