Scientific Method and Variables

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What is the first step in the scientific method?

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Observation: Scientists begin by observing a phenomenon or event.

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What do scientists do after making an observation?

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They formulate a question based on the observation.

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What is a hypothesis?

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A testable explanation or prediction proposed to answer a scientific question.

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What is the purpose of an experiment in the scientific method?

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To test the hypothesis through a controlled experiment.

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What happens during data analysis in the scientific method?

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The data collected from the experiment is analyzed to determine if it supports or refutes the hypothesis.

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What is the conclusion in the scientific method?

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A conclusion is drawn about the hypothesis based on the data analysis.

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How are scientific results typically communicated?

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Through scientific publications or presentations.

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What is an independent variable?

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The variable that the researcher manipulates or changes to observe its effect on another variable.

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Give an example of an independent variable in an experiment.

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In an experiment testing the effect of different colors of light on plant growth, the color of light is the independent variable.

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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.