D1 ACT Science Vocabulary

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Controlled variable

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A factor in an experiment that remains constant to ensure that the results are due to the independent variable.

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Analyze

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To study the relationship of the parts of something by breaking it down into its components.

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Indication

Back

The act of pointing out or pointing to something, often used to signify evidence or a sign.

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Minimum

Back

As small as possible in amount or degree; the least amount required.

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Consistent

Back

In agreement, firm, and changeless; producing the same results under the same conditions.

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Independent variable

Back

The variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

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Dependent variable

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The variable that is measured in an experiment; it is affected by the independent variable.

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Hypothesis

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A proposed explanation for a phenomenon, which can be tested through experimentation.

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Data

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Facts and statistics collected together for reference or analysis.

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Experiment

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A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.