Scientific Method and Variables

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What is the scientific method?

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A series of steps used by scientists to solve a problem or answer a question.

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What is a dependent variable?

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The variable that is measured in an experiment; it responds to changes in the independent variable.

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What is an independent variable?

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

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What is data in the context of an experiment?

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The information collected during an experiment.

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How does changing the independent variable affect the dependent variable?

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Changing the independent variable can cause changes in the dependent variable, which is what the experiment measures.

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What is a hypothesis?

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A testable prediction about the relationship between two variables.

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What is a control group?

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A group in an experiment that does not receive the treatment and is used for comparison.

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Why is it important to keep variables constant in an experiment?

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To ensure that the results are due to the independent variable and not other factors.

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What is the purpose of conducting experiments?

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To test hypotheses and gather data to support or refute scientific theories.

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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 numbers and measurements.