Exploring Scientific Investigations (SC.8.N.1.1/1.2/1.3/1.4/1.5)

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What is the importance of using phrases like 'results support' or 'fail to support' in scientific investigations?

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To acknowledge the possibility of alternative explanations.

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What are variables in a scientific experiment?

Back

They are the factors that are changed or measured.

Front

Why is it important to identify and control variables in an experiment?

Back

To isolate the effects of the independent variable on the dependent variable.

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In an experiment testing fertilizer on plant growth, what is the dependent variable?

Back

Growth of the plants.

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What is a hypothesis in scientific investigations?

Back

A hypothesis is a tentative explanation that guides investigation.

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What is the role of the independent variable in an experiment?

Back

It is the factor that is changed to test its effects.

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

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To provide a baseline for comparison with the experimental group.

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What does it mean to replicate an experiment?

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To repeat the experiment to verify results.

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What is the scientific method?

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A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics, while quantitative data involves numbers and measurements.