| Question | Answer |
|---|---|
| repetition | making multiple sets of measurements or observations in a specific investigation |
| empirical evidence | evidence based on observations or experiments rather than theory |
| experiment | an organized procedure to study something under controlled conditions |
| theory (scientific theory) | explanation for some phenomenon that is based on observations, experimentation, and reasoning that is supported by a large amount of evidence that does not conflict with any existing experimental results or observations |
| model (scientific model) | a replica or description designed to show the workings or structure of an object or system |
| law (scientific law) | scientific principle based on many observations of naturally occurring events that demonstrate it to be without exception under certain stated conditions |
| control group | group that no variable is applied to, used to compare results to |
| outcome variable (dependent variable | a factor, usually being measured or observed, that responds to, or depends on, another factor |
| hypothesis | a testable idea or statement that leads to a scientific investigation |
| controlled variable | a factor or condition that is purposely left the same |
| replication | reproduction of a scientific investigation by another person to ensure accuracy |
| test variable (independent variable) | variable manipulated by the experimenter in order to study the changes in the outcome variable |
