2 Tweaks later: Changing a publisher lesson into 3D NGSS learning #scichat #ngss @ratzelster teachingtechie.typepad.com/learning/2015/…
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2 Tweaks later: Changing a publisher lesson into 3D NGSS learning #scichat #ngss @ratzelster teachingtechie.typepad.com/learning/2015/…
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RT @educatoral: 2 Tweaks later: Changing a publisher lesson into 3D NGSS learning #scichat #ngss @ratzelster http://t.co/jmQQdPRSAx