If you are not familiar with Picture Perfect STEM and Picture Perfect Science, by Emily Morgan and Karen Ansberry, I encourage you to check it out. http://www.pictureperfectscience.com/ The lessons use the 5E model and are NGSS aligned, and the most recent STEM lessons are strong in engaging elementary students in the Science and Engineering Practices. There is an online course beginning January 30th that Karen and Emily are teaching. Take the course in the comfort of your own home and receive a free eBook. Course is $175 and you can register here: https://www.nsta.org/district/pps.aspx
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