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Worksheet 6

Worksheet 6

Q CHEM 9 – W6 20 pts Worksheet 6: Chapter 12 and Chapter 13 1. On a separate sheet of paper, briefly write definitions for each of the following vocabulary words. Attach that paper to the back of this worksheet. 2. What are the three main fossil fuels? Which fossil fuel is considered to be the worst for the environment? Why?

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1.Ch 12: energy, petroleum, coal, natural gas Ch 13: nuclear reaction, radioactivity, nuclear equations, beta emission, positron, radioactive decay, radiocarbon dating, medical imaging, fission, fusion, electricity from nuclear processes, radioactive waste energy: is the capacity to do work Petroleum: is a type of fossil fuel from oil Coal: is a type of fossil fuel Natural gas: is released from the extraction of oil from the Earth’s crust Nuclear reaction: the process of emitting radiation or particles by unstable nuclei