Scientific Investigation (VA SOL PS.1) Gr8 Science SOL Review

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What is a scientific investigation?

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A scientific investigation is a systematic process used to explore observations, answer questions, and test hypotheses through experiments.

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What is a hypothesis?

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

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

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

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What is an independent variable?

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An independent variable is the factor that is changed or manipulated in an experiment to observe its effect.

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What is a dependent variable?

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A dependent variable is the factor that is measured or observed in an experiment, which is affected by the independent variable.

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What is the importance of repeating experiments?

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Repeating experiments helps to verify results and ensure reliability and accuracy of the data.

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What does it mean to measure in milliliters?

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Milliliters (mL) are a unit of volume used to measure liquids, where 1 mL is equal to 1 cubic centimeter.

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What is the prefix for 10^-3?

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The prefix for 10^-3 is 'milli', which means one thousandth.

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What is the significance of using different test groups in an experiment?

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Using different test groups allows for comparison across various conditions, enhancing the validity of the experiment.

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What is a data table?

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A data table is a structured format for organizing and displaying data collected during an experiment.