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In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

$1 - $5 per student Ages 6 - adult 1 to 7 days
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Learners will do an experiment to determine which type of paper is strongest while focusing on variables and collecting data.

1 cent - $1 per group Ages 6 - adult 30 to 45 minutes
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In this activity, learners find the answer to the question, "if you have a pile of 8 cards, and you remove half, then half again, how many times can you do this until you get to just one card?" This w

1 cent - $1 per group Ages 6 - 18 5 to 10 minutes