Students investigate polymers and compare the absorbency of a disposable diaper to cotton dish towels They determine the absorbency of sodium polyacrylate.
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Simple Tensile Testing of Polymeric Films and Sheeting
Chemistry classes pretend to be consultants to a grocery story trying to decide what polymer to use for therir new non-paper bags. They prepare tensile bars and use them to test plastic film samples for strength and stretchability. Both...
9th - Higher Ed Science
Why is my Whiteboard so Dirty?
Dry erase markers work on desks, doors (made of shiny particle board), and even mirrors! A funny video explores why dry erase markers leave behind marks when used. The narrator explains what the markers are made of, specifically the...
3 mins 9th - 12th Science CCSS: Adaptable