Learning about energy! #NGSS #STEM @ALAWolfPride #RubeGoldberg https://t.co/eTRMPBWjVw— Stacy Kline (@StacyKTweets) February 26, 2018
Learning about energy! #NGSS #STEM @ALAWolfPride #RubeGoldberg https://t.co/eTRMPBWjVw
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