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In this investigation of reaction kinetics, learners alter the amount of iodate solution mixed with the same amount of starch solution.

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
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In this chemistry activity, learners explore whether matter is created or destroyed during a chemical reaction. They will compare the weight of various solutions before and after they are mixed.

$5 - $10 per group Ages 11 - 18 30 to 45 minutes