Scientific Method and Variables Review

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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.

Tags

NGSS.MS-LS1-5

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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.

Tags

NGSS.MS-PS2-2

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What are constants in an experiment?

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Factors that remain the same throughout an experiment to ensure that the test results are valid.

Tags

NGSS.MS-PS2-2

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What is quantitative data?

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Data that can be measured and expressed numerically, such as height, weight, or temperature.

Tags

NGSS.MS-PS3-1

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What is qualitative data?

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Data that describes characteristics or qualities that cannot be measured numerically, such as color or texture.

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What is a hypothesis?

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A testable prediction about the relationship between the independent and dependent variables.

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What is an experiment?

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A procedure carried out to test a hypothesis and observe the effects of changing variables.

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS1-2

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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 and is used for comparison.

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What is the purpose of a control in an experiment?

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To provide a baseline to compare the results of the experimental group.