Observation, Collection of data from primary source, Hypothesis, Educated guess based on observation, Experiment, Controlled & used to test the hypothesis, Conclusion, Data analysed. Agree/Disagree with the hypothesis, Results, Communicated with other scientists, 1. Criteria for Hypothesis, Testable, 2. Criteria for Hypothesis, Describes relationships between variables, 3. Criteria for Hypothesis, Outlines expected result, 4. Criteria for Hypothesis, Written in the form if.....then, Independent Variable, Changed by the scientist, Dependent Variable, Observed/measured during the experiment, Generalisation, Conclusion about a population based on a sample, Prediction, Expected result from a test, Uncertainty, Range of possible values where the true value lies within, Statistical Uncertainty, Variation when measurements are repeated, Systematic Uncertainty, Defects in the measurement, Reliability, Ability of an instrument/method to measure stable and consistent results, Validity, Measures what it is supposed to measure, Accuracy, How close a measured value is to the actual value, Precision, How close 2 or more measurements are to each other, Correlation, Degree of relationship between variables, 1. Limitation, Extent of existing knowledge, 2. Limitation, Basis of the investigation, 3. Limitation, Changes in the natural world, 4. Limitation, Accidental discoveries, . Limitation, Ability to interpret the results

Scientific Method Key Definitions

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