Scientific Method

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What is the scientific method?

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A systematic process used for scientific investigation, involving observation, hypothesis formulation, experimentation, and conclusion.

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What are the main steps of the scientific method?

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1. Observation 2. Question 3. Hypothesis 4. Experiment 5. Conclusion

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What is a hypothesis?

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

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What is an independent variable?

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

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What is a control group?

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A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

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Why is it important to have a control group in an experiment?

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It allows for comparison to determine the effect of the independent variable.

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What does it mean for an experiment to be valid?

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An experiment is valid if it accurately tests the hypothesis and controls for variables.

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What is the purpose of conducting experiments in the scientific method?

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To test hypotheses and gather data to support or refute them.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.