Scientific Method

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Purpose of the scientific method

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Ensures results are valid and reproducible by others.

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Hypothesis can be wrong.

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False

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If plants get sunlight, they grow taller.

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Hypothesis

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Every scientific experiment begins with:

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question/problem

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Summary of experiment results.

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Conclusion

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Hypothesis: an educated guess about the expected result of an experiment.

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an educated guess stating what you believe will be the result of your experiement

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Materials in the scientific method:

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everything needed to complete the experiment

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Independent variable: the ONE thing you _____

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change on purpose

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Variable being measured or observed: _______________

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dependent variable

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Variables to control in a plant growth experiment with water, apple juice, or milk:

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type of plant, flower pot, soil, and amount of sunlight