Scientific Method

Term Definition
classifying organizing objects into groups with similar characteristics
qualitative observations an observation involving your senses, does NOT involve measurements or numbers
quantitative observations an observation involving measurements and numbers
inference an interpretation based on your observations and prior knowledge
hypothesis educated guess of an outcome of an experiment
variable a factor that can affect the outcome of an experiment
independent variable a variable that is deliberately changed by the scientist
dependent variable changes as a result of the independent variable
constant the part of the experiment that stays the same
scientific theory a well tested scientific concept that explains a wide range of observations – tests must be repeated

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