Scientific Method

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What is the dependent variable in an experiment?

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

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How many independent variables should be tested in a controlled experiment?

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In a controlled experiment, only one independent variable should be tested at a time to ensure that the results are due to that variable alone.

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What is the independent variable in an experiment?

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

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What is the purpose of a conclusion in an experiment?

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The conclusion summarizes the results of the experiment and explains whether the hypothesis was supported or not.

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What type of data is collected when measuring the number of times a person breathes after exercise?

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This is quantitative data, as it involves measuring a numerical value.

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What is a hypothesis in the context of the scientific method?

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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 role of a control group in an experiment?

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The control group serves as a baseline to compare the effects of the independent variable, ensuring that the results are due to the variable being tested.

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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 an experiment?

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An experiment is a procedure carried out to support, refute, or validate a hypothesis.

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What is qualitative data?

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Qualitative data is descriptive data that can be observed but not measured, such as colors, textures, or feelings.