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Fruit Juice Mystery
SciencenterAdd to list DetailsIn this chemistry challenge, learners work to figure out which of four juices are real, and which is just food coloring and sugar. Learners add vinegar (an acid) and washing soda solution (a base)...
Disappearing Colors
SciencenterAdd to list DetailsIn this challenge, learners figure out how to make a juice stain disappear. (Younger learners will definitely need assistance, and safety instructions are included in the PDF.) First they...
Plant Power
SciencenterAdd to list DetailsIn this chemistry challenge, learners identify which plants have the enzyme "catalase" that breaks hydrogen peroxide into water and oxygen. Multiple fruits and vegetables, both raw and...