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In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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Learners use a universal indicator to test the amount of sodium hydroxide needed to change the pH of plain water compared with the amount needed to change the pH of gelatin.

$1 - $5 per group Ages 14 - adult Under 5 minutes
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In this activity, learners perform a simulated blood test procedure.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes