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unit 1 matter
vocabulary words on matter
| term | definition |
|---|---|
| matter | anything that has mass and takes up space |
| mass | the measure of the amount of matter in an object |
| weight | a measure of the gravitational force exerted on an objected |
| volume | the amount of space an object takes up |
| density | the ratio of the mass of a substance to the volume of the substance |
| physical property | a characteristic of a substance that does not involve a chemical change |
| chemical property | a property of matter that describes a substance's ability to participate in chemical reactions |
| physical change | a change of matter from one to another without a change in chemical properties |
| chemical change | a change that occurs when one or more substances change into entirely new substance with different properties |
| law of conservation of mass | the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes |