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LC Biology chapter 1
the scientific method
| Term | Definition |
|---|---|
| Biology | the study of life |
| scientific method | process of investigation carried out to explain observations in the natural world |
| observation | noting a fact/occurrence about natural world |
| hypothesis | educated guess based on observation |
| experiment | test to determine validity of hypothesis |
| data | results of measurement/observation |
| conclusion | explanation of results |
| theory | comprehensive explanation of important aspect of nature supported by results gathered over long period of time |
| law/principle | definite/factual explanation of important aspect of nature |
| variable | something you assess or measure in experiment |
| control | factor in experiment that provides a standard to compare results against |
| random selection | choosing without method/conscious choice subjects/items to be tested |
| replicate | repeat an experiment |
| double-blind testing | both tester and patient don't know what treatment is being given |
| placebo | substance with no active medication used as control |