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In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

free Ages 4 - 11 10 to 30 minutes
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In this activity, a group of learners work collaboratively to design and construct a paper model showing the evolution of an environment through multiple stages, from prehistory through the modern cit

$1 - $5 per student Ages 8 - 14 1 to 4 weeks
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In this activity, learners investigate the history and development of agricultural biotechnology.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes