click below
click below
Normal Size Small Size show me how
unit 1 matter
Term | Definition |
---|---|
matter | anything that has mass and takes up space |
mass | a measure of the amount of matter in an object |
weight | a measure of the gravitational force exerted on an object;its value can change with the location of the object in the universe |
volume | the amount of space that an object takes up, or occupies |
denisty | the ratio of the mass of a substance to the volume of the substance |
physical property | characteristic of a substance that does not involve a chemical change, such as density, color, or hardness |
chemical property | property of matter that describes a substance's ability to participate in chemical reactions |
physical change | a change of matter from one form to another without a change in chemical properties |
chemical change | a change that occurs when one or more substance change into entirely new substances with different properties |
law of conservation of mas | the law that states the mass cannot be created or destroyed in ordinary chemical and physical changes |