| Term | Definition |
|---|---|
| observation | Using one or more of your senses to gather information |
| constant | Conditions in an experiment that are kept the same |
| precision | Close, repeated measurements |
| inference | An educated guess based on previous knowledge or cues |
| prediction | An educated guess about what will happen in the future |
| control group | Variables are compared to this "normal" group that isn't changed. |
| meter | Metric unit of measurement for distance |
| liter | Metric unit of measurement for volume |
| International System of Units | Metric system, based on powers of 10 |
| accuracy | How close a measurement is to the correct value |
| hypothesis | Explanation of an observation that can be tested |
| independent variable | This is what the scientist changes in an experiment |
| gram | Metric unit of measurement for mass |
| scientific law | Rule that describes a repeatable pattern in nature |
| dependent variable | What is measured or observed in an experiment |
| experiment | A test of the hypothesis |
| scientific theory | An explanation (why or how) of observations that have occurred many, many times |
| scientific notation | A method of writing large and small numbers in a shorter form |
