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4 Cards in this Set
- Front
- Back
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Field Study
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Scientific study of free living plants or animals in which the subjects are observed in their natural habitat without changing, harming, or altering the settings or subjects.
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Observation
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The skill of recognizing and noting some fact or event in the natural world. Observation includes the act of measuring.
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Controlled experiment
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Lab investigation in which the values of all variables are kept the same except for one that is changed from the experiment and one that is measured.
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Models
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A simplified representation of a system. Models are useful for studying systems that are too big, too small, or too dangerous to study directly.
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