What the scientist changes - Manipulated variable → , What is measured - Responding variable → , Things kept the same - Constants → , Trials done on a comparison group - Control group → , Trials done with an independent variable - Experimental group →, – Explains why something happens (well-tested explanation) - Theory , – Describes what happens (a rule of nature, often in math form) - Law, – An educated guess that can be tested; if supported by evidence and repeated testing, it may contribute to the development of theories. - Hypothesis, Manipulated Variable = - Independant variable =, Responding Variable = - Dependent Variable =,

Variables and Nature of Science

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