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| is an organized way of gathering and analyzing evidence about the natural world. |
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| the act of noticing and describing events or processes in a careful, orderly, way. |
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a logical interpretation based on what scientists already know
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| Scientific explanation for a set of observations that can be tested in ways that support or reject it. |
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| An experiment in which only one variable is changed. |
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| A factor in a controlled experiment that is deliberately changed. |
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| The variable that is observed and that changes in response to the independent variable. |
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| A group and experiment that is exposed to the same conditions as the experimental group except for one indepdenent variable. |
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| Evidence, information gathered from observations. |
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