Scientific Method

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In a plant growth experiment with water, apple juice, and milk, the independent variable is...

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The type of liquid

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Dependent variable when increasing spinach intake?

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Increase iron in blood

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Hypothesis on paper airplane speed:

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If I make a paper airplane from notebook paper, then it will fly faster than construction paper.

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Stephen's prediction: seeds grow faster with electric current in soil.

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Form a hypothesis

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Rene grew mouth bacteria on plates and applied various mouthwashes.

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test the hypothesis with an experiment

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Difference between synthetic and natural fibers:

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Recognize a problem.

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Jose saw bats catching insects at night and wondered how they find them in the dark.

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recognize a problem

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Arjulia soaked 6 types of seeds in water for 24 hours, then planted them 1 cm deep in identical conditions.

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test the hypothesis with an experiment

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Kim's experiment: chicken egg shells stronger with calcium-enriched feed.

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draw conclusions

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Steps: 1. Ask a question 2. Form a hypothesis 3. Experiment 4. Analyze data 5. Draw a conclusion

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Scientific Method