Chapter 1.3 Review (8th)

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A controlled experiment

The variable that is purposely changed in order to be tested is the

A helpful tool for keeping data organized during an experiment is a graph.

A generalization that makes sense of observations by using logical reasoning.

A hypothesis can be accepted as true after two repeated trials have been performed.

The factor that may change in a controlled experiment is the dependent variable.

The process by which people gather evidence about the natural world and propose explanations based on this evidence

Scientists design controlled experiments to test a _____________