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This is an activity about our sense of smell and how it compares to sharks' super noses. Learners will create varying solutions of water and perfume.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle.

$1 - $5 per group Ages 4 - 14 1 to 4 weeks