Intro to Biology

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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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NGSS.MS-LS1-1

NGSS.MS-PS1-2

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What is a hypothesis?

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A testable prediction about the relationship between variables, often stated in an 'if...then...' format.

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What is an independent variable?

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The variable in an experiment that is changed or controlled by the scientist.

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NGSS.MS-PS2-2

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What is a dependent variable?

Back

The variable that is measured or observed in an experiment, which changes in response to the independent variable.

Front

What is a controlled experiment?

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An experiment in which all variables are kept the same except for one, allowing for a clear comparison.

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NGSS.MS-PS2-2

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What is a control group?

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The group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

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What is data collection?

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The process of gathering and measuring information on variables of interest in a systematic way.

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NGSS.MS-LS2-1

NGSS.MS-PS3-4

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What is a conclusion in scientific research?

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

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NGSS.MS-LS1-5

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What is a variable in an experiment?

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Any factor, trait, or condition that can exist in differing amounts or types.

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NGSS.MS-PS2-2

Front

What is the purpose of a scientific experiment?

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To test a hypothesis and determine if there is a cause-and-effect relationship between variables.

Tags

NGSS.MS-PS2-2