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Learners analyze mixtures of dyes using filter paper chromatography. They place spots of the different dyes at the bottom of a piece of filter paper, and hang the paper to touch the surface of water.

$1 - $5 per group Ages 8 - adult Under 5 minutes
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In this experiment related to plant biotechnology, learners discover how to prepare and load an electrophoresis gel.

Over $20 per group Ages 11 - adult 1 to 2 hours