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chem10 - Chapter 1 1 What is a science difficult to define...

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1 Chapter 1 1. What is a science- difficult to define. Science is an accumulation of knowledge about our physical world based on observations. Scientific observation must be reproducible. a. Hypothesis.- a guess that explains observable data that can be tested. b. Scientific Laws- are universal descriptions of observable data that are true everywhere in the universe under the stated conditions. c. Scientific theory- the best detailed explanation that can predict observable outcomes. Are tentative and open to revisions. d. Scientific models- tangible items or pictures to represent invisible processes. Science is limited by the number of variables in the system. (overhead) Critical thinking applied to science- a. Falsifiability- evidence can be applied to prove the theory false. b. Logic- any argument offered as evidence in support of any claim must be sound. An argument is sound if its conclusion follows inevitably from its premises and if its premises are true.
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