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Definition
| Science is an organized way if gathering and analyzing evidence about the natural world |
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| Observation, the act of noticing and describing events or process in a careful, orderly way |
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| An inference is a logical interpretation based on what scientists already know |
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| A hypothesis is a scientific explanation for a set of observations that can be tested in ways that support or reject it |
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Definition
| A controlled experiment is an experiment in which all variables are kept unchanged or controlled |
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| The independent variable is the variable that is deliberately changed |
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| The dependent variable is the variable that is observed and that changed in response to the independent variable |
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| A control group is exposed to the same conditions as the experimental group except one independent variable |
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| Data is detailed records scientists make of experimental observations. |
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