Scientific Method and Variables

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What is the first step in the scientific method?

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The first step is to identify a question or problem that needs to be investigated.

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What is a dependent variable?

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A dependent variable is the factor that is measured in an experiment, which changes in response to the independent variable.

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Why is it important to test only one variable at a time in an experiment?

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Testing one variable at a time helps to determine which variable is causing changes in the results, ensuring a fair test.

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What is a hypothesis?

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A hypothesis is an educated guess or prediction about the outcome of an experiment.

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What is the purpose of observation in the scientific method?

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Observation is used to gather information using the senses, which helps in forming questions and hypotheses.

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What is an independent variable?

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

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What is the conclusion in the scientific method?

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The conclusion is a summary of the results of the experiment, stating whether the hypothesis was supported or not.

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What is the role of procedures in an experiment?

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Procedures outline the steps to be followed during the experiment to ensure it is conducted systematically.

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What is the difference between qualitative and quantitative observations?

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Qualitative observations describe characteristics or qualities, while quantitative observations involve measurements and numbers.

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What is a control group in an experiment?

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A control group is a standard of comparison in an experiment that is not exposed to the independent variable.