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Unit 1 Matter
Term | Definition |
---|---|
Matter | Anything that has mass and takes up space |
Mass | a measure of the ammount of matter in an object |
Weight | A measure of the gravitational force exerted on an object |
Volume | The amount of space an object takes up |
Density | The ratio of the mass of a substance to the volume of the substance |
Chemical propertey | a propertey of matter that describes a substance's ability to participate in chemical reactions |
Physical propertey | a charcteristic of a substance that soes not involve a chemical change, such as density, color, or hardness |
Physical chanange | 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 substances change into entirely new substances with diffrent properties |
Law Of Conservation of mass | the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes |