Hypothesis - educated guess based on observation, Control - standard for comparison, Data - measurements or observations or information gathered from an experiment, Replicate - a repeat of an experiment, Theory - a proven hypothesis, Experiment - test of hypothesis, Biology - study of living things, Conclusion - summary of the results of an experiment, Variable - factor that may change in an experiment, Principle or law - arises from a theory that has shown to be valid when fully tested over a long period of time, Double blind - both the investigator and the participant are unaware of the nature of the treatment the participant is receiving, Ethics - right or wrong,

1.1 Scientific Method

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