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 data in the context of an experiment?

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The information you collect while doing your experiment.

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What is an independent variable?

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

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Identify the independent variable in the experiment: Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.

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Mass of the ball.

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What is quantitative data?

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Data that can be measured and expressed numerically.

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Give an example of quantitative data.

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6.84 cm.

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What is a constant/control in an experiment?

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Things that do not change in an experiment. It's the variable that stays the same.

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What is a dependent variable?

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The variable that is measured in an experiment.

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What is the purpose of a hypothesis?

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A proposed explanation for a phenomenon, which can be tested through experimentation.

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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.