Observation and Information Quiz

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Hypothesis: Rabbit population in a wood depends on fox population. Prediction: If foxes increase, then...

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the number of foxes increases, the number of rabbits will decrease.

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Scientific method purpose?

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Conduct experiments & make observations.

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Hypothesis:

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A proposed explanation for a phenomenon.

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Why is this not a scientific question?

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It has already been answered by scientists.

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Ethical question: Should we tax fatty foods?

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Should we put a tax on fatty foods?

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Why is this an ethical question?

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It involves moral principles.

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Difference between hypothesis, prediction, and theory:

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Hypothesis: proposed explanation; Prediction: forecast of future events; Theory: well-substantiated explanation.

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Independent variable:

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Changed or controlled in a scientific experiment.

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Chart as a frequency diagram:

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Shows data distribution over a range.

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Relationship between two variables?

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Yes, there is a relationship.