8th grade science students are experimenting with the effects of potential vs kinetic ener… https://t.co/hnHAaqObDo http://pic.twitter.com/QNVqxVUWbi
— Pine Grove Middle (@PGMVikings) October 21, 2016
from Twitter https://twitter.com/PGMVikings
October 21, 2016 at 10:01AM
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