Science and the Scientific Method

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What is the scientific method?

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A systematic process used by scientists to investigate phenomena, acquire new knowledge, or correct and integrate previous knowledge.

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What is the first step of the scientific method?

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Ask a question.

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What is a hypothesis?

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A testable prediction about the relationship between two or more variables.

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What is an observation?

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A description of an object made using the five senses.

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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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Why do scientists repeat experiments?

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To make sure their results are valid.

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What is a conclusion in the scientific method?

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A summary of the results of an experiment, stating whether the hypothesis was supported or not.

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What is data in scientific research?

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Information collected during an experiment, which can be qualitative (descriptive) or quantitative (numerical).

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What is a control group?

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