Scientific Investigation

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What is an independent variable?

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The independent variable is the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

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What is a dependent variable?

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

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What is qualitative data?

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Qualitative data is descriptive information that cannot be measured numerically, such as colors, names, or types.

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What is quantitative data?

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Quantitative data is numerical information that can be measured and expressed mathematically, such as height, weight, or temperature.

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What is a control group?

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A control group is a group in an experiment that does not receive the treatment or intervention, used as a benchmark to measure how the other tested groups do.

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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 scientific experiment?

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The purpose of a scientific experiment is to test a hypothesis by manipulating one variable and observing the effect on another.

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What is a conclusion in scientific investigation?

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A conclusion is a summary of the results of an experiment, explaining whether the hypothesis was supported or refuted.

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What is a variable in scientific research?

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A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

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What is the significance of replicating experiments?

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Replicating experiments is important to verify results and ensure that findings are consistent and reliable.