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 is a dependent variable?

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The variable that is measured in an experiment; it responds to changes in the independent variable.

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What is an independent variable?

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The variable that is changed or controlled in an experiment to test its effects on the dependent variable.

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What is quantitative data?

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Data that can be measured and expressed numerically, such as counts or measurements.

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What is qualitative data?

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Data that describes characteristics or qualities that cannot be measured numerically.

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What is a controlled experiment?

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An experiment in which only one variable is changed at a time to isolate its effects.

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Why is it important to repeat experiments?

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Repeating experiments helps verify results and ensures reliability and accuracy.

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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 the purpose of a control group?

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To provide a baseline for comparison against the experimental group, ensuring that the results are due to the independent variable.

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What is an observation in scientific research?

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The act of noting and recording something with instruments or through the senses.