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Matter
Topic 1
Question | Answer |
---|---|
anything that has mass and takes up space | matter |
a single kind of matter that always has a specific makeup, or composition | substance |
a characteristic that can be observed without changing the matter into another type of matter | physical property |
characteristics that describe something's ability to become something else | chemical property |
the basic unit from which all matter is made | atom |
substances that are made up of only one type of atom | elements |
a group of two or more atoms held together by chemical bonds | molecule |
substance made of two or more elements that are chemically combined in a set ratio | compound |
made up of two or more substances that are together in the same place but their atoms are not chemically bonded | mixture |
the amount of matter in an object | mass |
the amount of space that matter occupies | volume |
a measure of the force of gravity on an object | weight |
a measure of the mass of a material in a given volume | density |
alters the form or appearance of matter but does not turn any substance in the matter into a different substance | physical change |
a change in matter that produces one or more new substances | chemical change |
states that matter cannot be created or destroyed but changed from one form to another | law of conservation of mass |