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Mr V PS U1 Matter
PS Matter
Term | Definition |
---|---|
matter | anything that has mass and takes up space |
substance | a single kind of matter that always has a specific makeup, or composition |
physical property | a characteristic that can be observed without changing the matter into another type of matter |
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 | substances that are made up of only one type of atom |
molecule | a group of two or more atoms held together by chemical bonds |
compound | a substance made of two or more elements that are chemically combined in a set ratio |
mixture | made up of two or more substances that are together in the same place, but their atoms are not chemically bonded |
mass | the amount of matter in an object |
volume | the amount of space that matter occupies |
weight | the measure of the force of gravity on an object |
density | a measure of the mass of a material in a given volume |
physical change | a change in the form or appearance of matter but does not turn any substance in the matter into a different substance |
chemical change | a change in matter that produces one or more new substances |