| A | B |
|---|
| Matter | Anything that has mass and takes up space |
| Chemistry | The study of the properities of matter and how matter changes |
| Substance | A single kind of matter that is pure, meaning it always has a specific makeup |
| Physical Property | A characteristic of pure substance that can be observed without changing it into another substance |
| Chemical Property | A characteristic of a pure substance that describes its ability to change into different substances. |
| Element | A pure substance that cannot be broken down into any other substance by chemical or physical means (simplest substance) |
| Atom | The basic particle from which all elements are made |
| Chemical bond | A force of attraction between two atoms |
| Molecules | A group of two or more atoms held together by chemical bonds |
| Compound | A pure substance made of two or more elements chemically combined in a set ration |
| Chemical Formula | A compound may be represented by a chemical formula, which shows the elements in the compound and the ratio of atoms |
| Mixture | Made up of two or more substances-elements, compounds, or both. |
| Heterogeneous Mixture | You can see the different parts, for example soil or salad |
| Homogeneous Mixture | Substances that are so evenly mixed that you can't see the different parts. For exampel dissolving sugar in water |
| Solution | An example of a homogenous mixture. Ex. Dissolved sugar |
| Meters | The SI unit that measures the distance between two points |
| Mass | The amount of matter in an object |
| Liters | The SI unit that measures volume |
| SI Units | The system of International Standard metric measurements. |
