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SWELL CREATURES
National Standard: B1
“...Objects have many observable properties including size, weight, shape, color, temperature ... These properties can be measured using tools ...” 1
Suggested Use
Great for demonstrating hydration/dehydration. Simply add water and watch it grow! An option is to use a lab scale to measure its mass before and after. Or coat the creature in petroleum jelly and see how this affects its ability to absorb water. Related concepts: moisture barriers, absorption, etc.
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