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In order to examine the random nature of mutations and natural selection, learners "breed" clutches of Egyptian Origami Birds (Avis papyrus) using random number generators (dice and coins) to mutate s

$5 - $10 per group Ages 14 - 18 2 to 4 hours
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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

$1 - $5 per group Ages 14 - 18 2 to 4 hours
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In this activity, pairs of learners will create two make-believe dig sites by burying chicken bones in plaster of Paris--a powder that hardens when wet.

$5 - $10 per group Ages 8 - 14 2 to 4 hours
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This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi

$10 - $20 per group Ages 11 - 18 2 to 4 hours
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In this very hands-on lesson, learners will investigate dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what possible

1 cent - $1 per group Ages 8 - 14 2 to 4 hours
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In this activity, learners are divided into teams.

$10 - $20 per group Ages 14 - 18 2 to 4 hours