Scientific Method and Variables

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What is the Scientific Method?

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A systematic process used for scientific investigation, involving observation, hypothesis formulation, experimentation, and conclusion.

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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 are controlled variables?

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Variables that are kept constant throughout an experiment to ensure that the test results are valid.

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How many variables should be tested in a controlled experiment?

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Only one variable should be tested at a time to ensure accurate results.

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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 is an experiment?

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A procedure carried out to test a hypothesis and observe the effects of changing variables.

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What is the role of observation in the scientific method?

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Observation is the initial step in the scientific method, where scientists gather information and data about a phenomenon.

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What is a conclusion in scientific research?

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A conclusion is a summary of the results of an experiment, determining whether the hypothesis was supported or not.

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What is a control group?

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A group in an experiment that does not receive the treatment or change, used for comparison.