Scientific Variables

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What is an independent variable?

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The independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

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What is a dependent variable?

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The dependent variable is the factor that is measured or observed in an experiment, which is affected by the independent variable.

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What is a constant/control in an experiment?

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Constants/controls are the factors that remain unchanged throughout the experiment to ensure that the results are valid.

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What is the purpose of a hypothesis?

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A hypothesis is a testable prediction about the relationship between the independent and dependent variables.

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What does it mean to conduct an experiment?

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Conducting an experiment means to carry out a procedure to test a hypothesis and gather data.

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What is the scientific method?

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The scientific method is a systematic process used for scientific investigation, including observation, hypothesis formulation, experimentation, and conclusion.

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What is data in a scientific experiment?

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Data refers to the information collected during an experiment, which can be quantitative (numbers) or qualitative (descriptions).

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What is the role of a control group?

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A control group is used as a standard for comparison in an experiment, where the independent variable is not applied.

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What is a variable in science?

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A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.