Practice of Science

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What is a hypothesis?

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A possible explanation to a problem or question that has not yet been tested.

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What is the independent variable in an experiment?

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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 the purpose of conducting an experiment with controlled variables?

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To isolate the effect of the independent variable on the dependent variable.

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What is a controlled variable?

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A variable that is kept constant throughout an experiment to ensure that the results are due to the independent variable.

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What does it mean to replicate an experiment?

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To repeat an experiment to confirm the results.

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What is the dependent variable in an experiment?

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

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Why is it important to conduct multiple trials in an experiment?

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To ensure that the results are reliable and not due to random chance.

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What is the scientific method?

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

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What is an observation in science?

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

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What is data in a scientific context?

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Information collected during an experiment, which can be qualitative or quantitative.