| A | B |
|---|
| MATTER | Anything that has mass and takes up space |
| SUBSTANCE | A single type of matter that is pure and has a specific set of properties. |
| PHYSICAL PROPERTY | A characteristic of a pure substance that can be observed without changing it into another substance. |
| CHEMICAL PROPERTY | A characteristic of a substance that describes its ability to change into a different substance. |
| ATOM | The basic particle from which all elements are made. |
| MOLECULE | A neutral group of two or more atoms held together by covalent bonds. |
| ELEMENT | A pure substance that cannot be broken down into other substances by physical or chemical means. |
| COMPOUND | A substance made of two or more elements chemically combined in a specific ratio, or proportion. |
| MIXTURE | Two or more substances that are together in the same place but their atoms are not chemically bonded. |
| CHEMISTRY | The study of the properties of matter and how it changes |
