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20-09-2016
Chemistry

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In a controlled scientific experiment, a scientist

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20-09-2016

A variable is any factor, trait, or condition that can exist in differing amounts or types. Anexperiment usually has three kinds of variables: independent, dependent, andcontrolled. The independent variable is the one that is changed by the scientist.

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13-01-2021

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alters the test variable (independent variable) and observes the effects on the outcome variable (dependent variable).

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