Scientific Method & Measurements

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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 variable in an experiment?

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A factor that can change in an experiment. Variables can be independent, dependent, or controlled.

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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; it is affected by the independent variable.

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What are controlled variables?

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Factors that are kept constant throughout an experiment to ensure that the results are valid.

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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, helping to isolate the effects of the independent variable.

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What is scientific notation?

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A method of expressing numbers as a product of a coefficient and a power of ten, used to simplify large or small numbers.

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What does it mean to analyze data?

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To examine and interpret the data collected during an experiment to draw conclusions.

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What is the importance of repeating experiments?

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To verify results and ensure reliability and accuracy of the findings.