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| a series of steps followed to solve problems |
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| an explanation that is based on prior scientific research or observations and that can be tested |
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| an explanation that ties together many hypotheses and observations |
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| an experiment that tests only one factor at a time by using a comparison of a control group with an experimental group |
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| a factor that changes in an experiment in order to test a hypothesis |
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| a summary of many experimental results and observations; a law tells how things work |
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| the process of obtaining information by using the senses |
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Definition
| any pieces of information acquired through observation or experimentation |
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