Scientific Method

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What is a hypothesis in the context of the scientific method?

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A hypothesis is a testable statement formatted in an 'If...Then...' structure that predicts the outcome of an experiment.

Tags

NGSS.MS-PS1-2

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What is a dependent variable?

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A dependent variable is the variable that changes as a result of the independent variable; it is also known as the 'effect'.

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NGSS.MS-LS1-5

NGSS.MS-PS1-2

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What is the first step in the DR. HERC method of the scientific method?

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The first step is to define the problem or question that needs to be investigated.

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What is qualitative data?

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Qualitative data is descriptive information that can be observed using the five senses: smell, touch, taste, hearing, and sight.

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What is an independent variable?

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An independent variable is the variable that is intentionally changed or manipulated in an experiment; it is also known as the 'cause'.

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What does DR. HERC stand for in the scientific method?

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DR. HERC stands for Define the problem, Research, Hypothesis, Experiment, Results, and Conclusion.

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

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The purpose of conducting an experiment is to test the hypothesis and determine if the predicted outcome is supported by the data.

Tags

NGSS.MS-PS1-2

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What is the difference between qualitative and quantitative data?

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Qualitative data is descriptive and based on observations, while quantitative data is numerical and can be measured.

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What is the role of a control group in an experiment?

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The control group serves as a baseline for comparison, allowing researchers to see the effect of the independent variable.

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Why is it important to repeat experiments in scientific research?

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Repeating experiments is important to verify results and ensure that findings are reliable and not due to chance.

Tags

NGSS.MS-LS2-4