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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 |