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| an organized approach or system to learn how the natural world works |
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| perceiving a natural occurence that causes someone to pose a question |
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| proposed explanation for the way a particular aspect of natural world functions |
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| a statment that forecasts what would happen if the hypothesis was true |
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| use to test a hypothesis and its predictions |
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| the group that provides a normal standard for comparison |
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| has had the independent variable manipulated |
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| the thing manipulated by the scientist in an experiment |
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| changes as a result of changing the independent variable and is measured by the scientist |
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| formed when a set of related hypotheses are confirmed many times |
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| reading and critiquing of other scientist's work |
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