click below
click below
Normal Size Small Size show me how
Unit 1 Matter
Science
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. |
density | the ratio of the mass of a substance to the volume of the substance. |
physical properties | a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness. |
chemical properties | 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 substances 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. |