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In this activity, learners will explore trends in shark populations using shark landing data from the National Marine Fisheries Service.

free Ages 14 - 18 45 to 60 minutes
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In this activity, learners will measure their lung capacity by making their own spirometer. Learners will then explore factors that affect the amount of air the lungs can hold.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners investigate how geometry plays a role in perspective.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

$1 - $5 per group Ages 8 - adult 5 to 10 minutes
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In this activity, learners model a population of deer and see how the number of deer changes over time.

free Ages 11 - 18 10 to 30 minutes
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In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

free Ages 8 - 18 30 to 45 minutes
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In this outdoor activity/field trip, learners conduct experiments to explore where dragonflies and damselflies perch or rest, and how the flies change behavior in reaction to other flies or fly decoys

$5 - $10 per group Ages 6 - 18 45 to 60 minutes
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Learners imagine they are paleontologists in Florida, where they find (remove from envelope) paper "fossils" of some unknown creature, only a few at a time.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.

$5 - $10 per student Ages 11 - 18 45 to 60 minutes
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In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, use standard playing cards to introduce learners to cellular interactions such as cell to cell recognition and signal and receptor specificity.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners examine nanoscale structures of common things.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners will create a home for animal friends in their backyard using recycled materials. Some material suggestions include: pine straw and twigs.

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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Make a one-string "guitar" by stringing a cup with some fishing line. You amplify the plucking of the string by placing a piezo contact microphone and mini battery powered amplifier inside the cup.

$5 - $10 per student Ages 6 - 18 1 to 2 hours
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In this activity, learners investigate variations in human traits. This allows learners' natural curiosity about their identity to draw them into the study of heredity.

$1 - $5 per student Ages 8 - 18 2 to 4 hours
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In this lab, learners experience how dolphins and other echolocating animals use their senses to locate and identify objects without using their sense of sight.

$10 - $20 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners investigate how some butterfly wings get their color.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.

Over $20 per group Ages 8 - adult 45 to 60 minutes