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A public disagreement between groups with different views

scientific law

A statement that describes what scientists expect to happen every time under a particular set of conditions

scientific theory

A well-tested explanation for a wide range of observations or experimental results


Facts, figures, and other evidence gathered through observations

controlled experiment

An experiment in which only one variable is manipulated at a time

responding variable

The factor that changes as a result of changes to the manipulated, or independent, variable in an experiment; also called dependent variable

manipulated variable

The one factor that a scientist changes during an experiment; also called independent variable


A factor that can change in an experiment


A possible explanation for a set of observations or answer to a scientific question; must be testable

scientific inquiry

The ongoing process of discovery in science; the diverse ways in which scientists study the natural world and propose explanations based on evidence they gather

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