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In this activity, learners create their own constellations and star patterns and write a short, descriptive story explaining the significance of their star pattern/constellation.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Learners manipulate opaque, sealed boxes and attempt to determine their interior structures. Each box contains a moving ball and one or more fixed barriers.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
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Using zebra mussels (Dreissena polymorpha), elodea and an indicator dye, learners study the role of light in photosynthesis.

$10 - $20 per group Ages 14 - 18 1 to 7 days
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this cooperative learning activity, learners visit ten stations and are challenged to think critically about various conservation questions and issues.

$10 - $20 per group Ages 14 - 18 45 to 60 minutes
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In this set of outdoor games, learners play the role of monkeys that are trying to get enough resources (food, shelter, and space) to survive.

Over $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners experience some of the challenges of "tele-operating" a robotic vehicle on another planet when they design and execute a series of commands to guide a human "rover" through

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners model estuaries, artificially enriching both fresh and salt water samples with different amounts of nutrients and observing the growth of algae over several weeks.

$5 - $10 per group Ages 14 - 18 1 to 4 weeks
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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this activity, learners are introduced to challenges of maintaining temperatures while living in space.

$5 - $10 per group Ages 14 - 18 1 to 7 days
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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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This simulation of laparoscopic surgery enables learners to practice and to learn this modern surgical technique.

Over $20 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model.

Over $20 per group Ages 14 - 18 2 to 4 hours
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In this small-group activity, learners assume the roles of pilots, air traffic controllers, and NASA scientists to solve five Air Traffic Control (ATC) problems.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this math lesson, learners identify the relationship between the number of sides in a regular polygon and the number of struts needed to make each polygon rigid.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
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This is an outdoor activity designed to demonstrate evolution of feeding behavior in flocking, schooling or herding animals that maximizes allocation of food resources and enhances survival.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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In this classic activity, learners investigate natural selection by becoming birds foraging for food on an island.

$10 - $20 per group Ages 11 - 18 1 to 2 hours