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In this activity, learners will be working with predictions with a time frame of one week, or longer. Start by planting seedlings.

$1 - $5 per group Ages 4 - 14 1 to 4 weeks
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In this combination chemistry and physics activity, learners explore water absorption in dried beans or peas and learn how this affects their physical properties.

$1 - $5 per student Ages 6 - 11 1 to 7 days
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In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will turn an ordinary tray of sand into a desk-top garden for meditation.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes