Scientific Investigation

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What is an observation in scientific investigation?

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An observation is a statement based on what one sees, hears, or feels. It is a factual description of something in the environment.

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What is a dependent variable?

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The dependent variable is the variable that may change in response to the independent variable. It is what is measured in an experiment.

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What is an independent variable?

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The independent variable is the variable that is intentionally changed or manipulated in an experiment to observe its effect on the dependent variable.

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What is a hypothesis?

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

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What is the purpose of a control in an experiment?

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A control is used as a standard for comparison. It helps to ensure that the results of the experiment are due to the independent variable.

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What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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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, stating whether the hypothesis was supported or not.

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What is a variable in an experiment?

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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 a constant in an experiment?

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A constant is a factor that remains unchanged throughout an experiment to ensure that the test results are valid.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities (e.g., color, texture), while quantitative data involves numerical measurements (e.g., height, weight).