Scientific Method (Observations, Inferences 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 qualitative observation?

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An observation that describes qualities or characteristics, such as color, smell, or sound.

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What is a quantitative observation?

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An observation that involves measurement and numerical data, such as height, weight, or temperature.

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What is a control variable?

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A variable that remains constant throughout an experiment to ensure that the results are valid.

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What is an independent variable?

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The variable that is changed or manipulated in an experiment.

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What is a dependent variable?

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The variable that is measured or observed in response to changes in the independent variable.

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What is an observation?

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The act of noticing and describing events or processes in a careful, orderly way.

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What is an inference?

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A logical conclusion drawn from observations, often based on prior knowledge.

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What is the purpose of a hypothesis?

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To provide a testable prediction or explanation for a scientific question.

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What is an experiment?

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A procedure carried out to test a hypothesis and gather data.