| A | B |
| Scientific Method | An organized set of investigation procedures |
| Hypothesis | A possible explanation for a problem using what you know and what you observe |
| Experiment | Tests the effect of one thing on another using controlled conditions |
| Variable | A factor that can cause a change in the results of an experiment |
| Dependent Variable | The outcome of the experiment |
| Independent Variable | What you are testing in an experiment |
| Constant | A factor that does not change when other variables change |
| Control | The standard by which test results can be compared |
| Model | Something that represents an idea, event, or object to help people better understand it |
| Bias | Occurs when a scientist's expectations change how the results are viewed |
| Scientific Theory | An explanation of things or events based on knowledge gained from many observations and investigations |
| Scientific Law | A statement about what happens in nature and that seems to be true all of the time |
| Technology | The application of science to help people |
| Precision | Describes how closely measurements are to each other and how carefully measurements were made |
| Accuracy | Compares a measurement to the real or accepted value |
| Volume | The amount of space occupied by an object |
| Mass | A measurement of the quantity of matter in an object |
| Density | The mass per unit volume of a material |
| Graph | A visual display of information or data |