| Term | Definition |
|---|---|
| Independent variable | The variable in an experiment that is tested. |
| Qualitative observation | Use your senses to observe the results. (Sight, smell, touch, taste and hear.) |
| Quantitative observation | Observations that are made with instruments such as rulers, balances, graduated cylinders, beakers and thermometers. |
| Metric unit of temperature | degree Celsius |
| Controlled variable | The variable in an experiment that stays the same. |
| Metric unit of length | meter |
| Dependent variable | The variable in an experiment that shows the results |
| Metric unit of mass | gram |
| Metric unit of volume | liter |
| Metric system | A system of weights and measures based on the meter and on the kilogram. |
| Scientific investigation | The way in which scientists and researchers use a systematic approach to answer questions about the world around us. |
