Scientific Method Variables

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What is a variable in the scientific method?

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A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

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What is the difference between a testable and a nontestable question?

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A testable question can be answered through experimentation and observation, while a nontestable question cannot be answered scientifically.

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

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Testing one variable at a time helps to identify the cause of changes in the experiment's outcome.

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What is a hypothesis?

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A hypothesis is a proposed explanation for a phenomenon, often stated in an 'If...then...' format.

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What is the purpose of a control group in an experiment?

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The control group serves as a standard for comparison, helping to isolate the effects of the independent variable.

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What is an independent variable?

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The independent variable is the factor that is changed or manipulated in an experiment.

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What is a dependent variable?

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The dependent variable is the factor that is measured or observed in response to changes in the independent variable.

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What does it mean to conduct a fair test?

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Conducting a fair test means ensuring that only one variable is changed at a time while keeping all other conditions the same.

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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.