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Nature of Science
| Term | Definition |
|---|---|
| Science | The study of the natural world through observations and logical reasoning. |
| Pseudoscience | False science. Conclusions are not based on evidence. |
| Hypothesis | A testable statement that predicts the outcome of the experiment. |
| Experiment | A test to see if the hypothesis is correct. |
| Test variable | The part of the experiment that the scientist changes. |
| Outcome variable | The results of the experiment. What is affected by changes in the other variable. |
| Observation | Information gathered by using your 5 senses. |
| Inference | Using information to determine what happened in the past. |
| Prediction | Using information to determine what will happen in the future. |
| Data | The numbers and/or information collected during an experiment |
| Repetition | When a scientist does his experiment again |
| Replication | When OTHER scientists re-do an experiment |
| Constant | A part of the experiment that does NOT change. It is the same for every group. |
| Control group | The group that does NOT receive the test variable. |
| Theory | A group of ideas that explain a process. Usually related to life or earth science. |
| Law | A statement or equation that predicts an event. Usually related to physical science. |
| Quantitative | Observation that is expressed in numbers |
| Qualitative | An observation that describes something without numbers |
| Objective reasoning | Reasoning based on facts and data |
| Subjective reasoning | Reasoning based on opinions. This is NOT used in science. |