First, let’s talk about the snow. “Snow can either be too wet or too dry,” points out Dan Snowman, a physicist at Rhode Island College in Providence. Scientists actually classify snow based ...

3. Let's make a snowman! In this final session of the unit the children have fun in the snow! They go out walking in it, throw it into the air, make snowballs and build a snowman. We’ll finish ...

Do you want to launch a snowman? That perhaps is the question ... Olaf will (to borrow another "Frozen" song line) "let it go" and float, signaling Shkaplerov, Virts, and Cristoforetti that ...