Investigating: Can a statue's shadow move? With curious 1st graders. @HeartlandAEA @MysterySci #loveteaching #dcgexcellence http://pic.twitter.com/BuSCWHCp56— Melissa White (@melissajkwhite) February 16, 2017
via Twitter https://twitter.com/melissajkwhite
February 17, 2017 at 08:22AM
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