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ch 4
| Term | Definition |
|---|---|
| Volume | the amount of space an object takes up. |
| mass | the amount of matter in a solid, liquid, or gas. |
| Weight | the force of earths pull on an object. |
| physical change | is a change in some properties of matter without forming in a different kind of matter. |
| melting | the changing of a solid to a liquid. |
| freezing | the changing of a liquid to a solid. |
| chemical change | one or more types of matter change in to other types of matter into other types of matter with different properties |
| law of conservation of mass | states that in a chemical change matter only changes from form to another |