| A | B |
| classifying | grouping things according to how they are alike and how they are different |
| conclusion | a final opinion reached after finishing an investigation |
| controlled variable | something that stays the same in a repeated investigation |
| communication | using written and spoken word, graphs, tables, illustrations, |
| data | information collected during an investigation |
| evidence | facts learned from an investigation that help you come to a |
| experiment | a test or trial done under controlled conditions in order to discover |
| field investigation | the use of tools or equipment to conduct an experiment outdoors |
| hypothesis | stating an idea that can be tested by doing an experiment or |
| infer | to explain a conclusion based on what you know or proved during |
| investigation | a synonym for experiment |
| manipulated variable | something that is changed in an investigation in order to affect the outcome of the experiment (cause) |
| measuring | developing and using appropriate units of measurement for length, |
| microscope | a scientific tool used for closely observing small objects |
| observing | using the five senses to find out about objects and events |
| responding variable | something that changes in an experiment as a result of changing the manipulated variable (effect) |
| variables | conditions that can change an experiment in order to affect the outcome |