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 hypothesis?

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An idea that is given as an 'If...then...' statement that can be tested.

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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 a control group?

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A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

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What is the purpose of a control 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 data collection?

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The process of gathering and measuring information on variables of interest.

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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.

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What is an experiment?

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A scientific procedure undertaken to test a hypothesis by collecting data under controlled conditions.

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What is a variable?

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Any factor, trait, or condition that can exist in differing amounts or types.