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In this activity, learners make slides of onion cells and their own cheek cells. Use this lab to teach learners how to prepare microscope slides and use a microscope.

$5 - $10 per student Ages 8 - 18 45 to 60 minutes
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Learners conduct a "blind" taste-test of several types of enhanced or fitness water drinking water that has commercially added substances like vitamins, sugars, or herbs.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes