Mr. Perry's Earth Science Classroom Blog
Oxford Hills Comprehensive High School, South Paris, Maine
Wednesday, October 30, 2013
GRIT
Free iBooks
European Space Agency iBook Earth From Space; A Living Beauty
THIS ONE
is most excellent
Thursday, October 24, 2013
Periodic Table Lecture
https://docs.google.com/presentation/d/1IaXDFOjdsuBeJrqVZtN7dqbSezL13cDbc3Eg4PVlYto/edit?usp=sharing
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