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Chapter 4
| Term | Definition |
|---|---|
| physical change | a change some properties make that doesn't change the type of mass |
| melting | when something changes from a solid to a liquid |
| freezing | when a liquid changes to solid |
| mass | the matter of an object (gas, liquid, solid) |
| weight | the force of Earth's pull on an object |
| volume | the amount of space an object takes up |
| Law of Conservation of Mass | states that in a chemical change, matter cannot be created or destroyed. |
| chemical change | when one or more types of matter change |