Pranks & Tricks for April Fool’s Day
Posted: March 31, 2011 Filed under: Uncategorized Leave a commentvia Steve Spangler’s Blog
Hydrogels, or super absorbant polymers, can absorb over 100x their own weight in water. Farmers and gardeners use it to keep crops and plants hydrated during times of drought. It can also be used as the perfect prop for pranks and magic tricks.
http://www.stevespangler.com/teaching-moments/pranks-tricks-for-april-fools-day/
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