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chapter 4
| Term | Definition |
|---|---|
| volume | the amount of space a object takes up |
| mass | the amount of matter in a object |
| weight | the force of earth's pull on a object |
| physical change | a change in some properties of matter |
| melting | change of a solid into a liquid |
| freezing | the change of a liquid into a solid |
| Chemical change | one or more typs of matter change into othe types of matter |
| law of conservation of mass | in a chemical change matter cannot be created or destroyed matter can only change from on form to another |