Scientific Experiment Terminology

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Qualitative data

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Information that describes color, odor, shape, or some other physical characteristic.

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Quantitative data

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Numerical data.

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Hypothesis

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An educated guess, always written as 'if, then'.

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Independent variable

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The variable being changed/tested.

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Dependent variable

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The variable being measured in the experiment, usually quantitative.

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Constants/Controlled Variables

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Conditions that stay the same in the experiment.

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Trials

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The number of times an experiment is repeated.

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ONE

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Number of variables that can change in a controlled experiment.

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Variable

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A factor that can change in an experiment, like temperature, water, or light.

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controlled experiment

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a study that has two different groups, one is tested one is used for comparison