| A | B |
|---|
| matter | anything that has mass and takes up space |
| chemistry | the study of matter and how it changes |
| physical property | a characteristic of a substance that can be observed without changing the substance into another substance |
| chemical property | a characteristic of a substance that describes its ability to change into other substances |
| physical change | any change that alters the form or appearence of a substance but does not make the substance into another substance |
| chemical change | a change in matter that produces one or more new substances |
| reactants | the substances that undergo change in a chemical reaction |
| products | the substances formed by the reaction |
| precipitate | a solid that forms from solution during a chemical reaction |
| endothermic reaction | a reaction that absorbs energy in the form of heat |
| exothermic reaction | a reaction that releases energy in the form of heat |
| chemical changes occur when | bonds break and new bonds form |
| changes in matter can be described in terms of | physical changes and chemical changes |
| chemical reactions involve changes in | properties and changes in energy that you can observe |
