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Biology: Chapter 1.3
Chapter 1.3 Vocabulary
| Term | Definition |
|---|---|
| Scientific Method | an organized approach used to learn how the natural world works |
| Observation | the art of perceiving a natural occurrence that causes someone to pose a question |
| Hypothesis | a proposed explanation for the way a particular aspect of the natural world functions |
| Prediction | a statement that forecasts what would happen in a test situation if the hypothesis were true |
| Experiment | used to test a hypothesis and its predictions |
| Control Group | provides a normal standard against which the biologist can compare results of the experimental group |
| Experimental Group | identical to the control group except for one factor |
| Independent Variable | the one factor that makes the experimental group different from the control group |
| Dependent Variable | the variable the scientist observes or measures; is affected by the independent variable |
| Theory | when a set of related hypotheses is confirmed to be true many times, and it explain a great amount of data, scientists often reclassify it as this |
| Peer Review | scientists who are experts in the field anonymously read and critique that research paper |