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| The act of noticing and decribing events in a careful, orderly way |
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| is an organized way of gathering and analyzing evidence about the natural world |
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| is a logical interpretation based on what scientist already know |
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| A hypothesis should be tested by an experiment in which one variable is changed |
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| an experiment is divided into control and experimental groups |
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| Gathering information is called Data |
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| The variable that is deliberately changed is called the independent variable |
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| is exposed to the same conditions as the experimental group except for one independent variable |
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| is a scientific explanation for a set of obsevations that can be tested in waysthat support or reject it |
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