| A | B |
| conclusion | Decision based on observations and inferences |
| constant | Part of experiment that is NOT allowed to change |
| experiment | Test, or scientific investigation, that is fair with only one variable |
| inference | Using prior knowledge or experince to form a conclusion |
| hypothesis | PREDICTION about relationship between variables |
| manipulated [independent] variable | Part of experiment changed by experimenter |
| observation | Description of what is seen or observed |
| prediction | Using scientific informantio to FORECAST what may happen |
| responding [dependent] variable | Part of experiment that changes because of the manipulated variable |
| mass | weight, measured in g. or kg. |
| balance or scale | Equipment used to measure mass or weight |
| volume | Capacity, measured in mL. or L. |
| graduated cylinder or liter bottle | Equipment used to measure volume |
| Length | how long something is; measured in mm. cm. m. km. |
| meter stick, ruler | Equipment used to measure length |
| elapsed time | time between 2 events |
| stopwatch or clock | equipment used to measure elapsed time |
| temperature | How hot or cold something is; measured in degrees C or degrees F |
| thermometer | Equipment used to measure temperature |
| water boils | 100 degrees C or 212 degrees F |
| body temperature | 37 degrees C or 98.6 degrees F |
| room temperature | 20 degrees C or 70 degrees F |
| water freezes | 0 degrees C or 32 degrees F |
| question, hypothesis, experiment, observations, conclusion | Name the 5 steps fo scientific investigation |