Go through activities. Answers provided as you go!
Source: paul wild
Watch from min 18 to 32
coal geology www.ncsec.org
Coal structure image http://www.ems.psu.edu/~radovic/coal_structure.html
Graphite atomic structure http://www.daviddarling.info/encyclopedia/G/graphite.html
Interesting topic, graphics were helpful. Would you be willing to paste the text in the slideshow that includes links to outside sources into a text file? That way, the links will be "live" or active. As they are now, a use would have to write them down and type them in. That would be great.
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