Sci Method Practice

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What is the scientific method?

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A systematic process used for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is a hypothesis?

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A proposed explanation for a phenomenon that can be tested through experiments.

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What is a variable in an experiment?

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Anything that can change or be changed in an experiment.

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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 and affected in an experiment.

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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 the effects of that variable.

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

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To understand the cause and effect relationship clearly.

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What is a constant in an experiment?

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A factor that remains the same throughout the experiment.

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What is the purpose of a control group?

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To provide a standard for comparison against the experimental group.

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What is an observation?

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