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In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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Learners explore capillary action in plants (such as plants ability to move water from roots to leaves) in an investigation called Paper Blooms.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes