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Vocabulary Topic 1

Vocabulary topic 1

QuestionAnswer
Mass the amount of matter in an object
volume the amount of space that matter occupies
weight a measure of the force of gravity on an object
density a measure of the mass of a material in a given volume
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
atom the basic particle from which all elements are made
element a pure substance that cannot 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
physical change alters the form or appearance of matter but does not turn any substance in that matter into a different substance
chemical change a change in matter that produces one or more new substances
Created by: llinares
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