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10 Cards in this Set
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Science |
organized way of using evidence to learn about the natural world; also, the body of knowledge that scientists have built up after years of using this process |
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Observation |
use of one or more of the senses—sight, hearing, touch, smell, and sometimes taste—to gather information |
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data |
evidence; information gathered from observations |
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Inference |
logical interpretation based on prior knowledge and experience |
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Hypothesis |
possible explanation for a set of observations or possible answer to a scientific question |
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Spontaneous Generation |
hypothesis (disproven) stating that life could arise from nonliving matter |
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Controlled Experiment |
a test of the effect of a single variable by changing it while keeping all other variables the same |
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Manipulated/Independent Variable |
factor in an experiment that a scientist purposely changes; also known as independent variable |
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Responding/Controlled Variable |
factor in an experiment that a scientist wants to observe, which may change in response to the manipulated variable; also known as a dependent variable |
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Theory |
well-tested explanation that unifies a broad range of observations |
