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Tabletop Biosphere
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In this activity, learners create a sealed, mini ecosystem that supplies freshwater shrimp with food, oxygen, and waste processing for at least three months.

Salt Water Revival
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In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.

Canned Heat
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In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

Habitats of the Pond
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In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.

Hold It
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In this outdoor activity/field trip, learners investigate the special shapes, holding structures and holding behaviors that real organisms use in streams, rivers, creeks or coast intertidal zones to a

Great Steamboat Race
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In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.

Soil Density
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In this activity, learners will test soil content using their sample, some water and a container that seals.

Make Your Own Ant Farm
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In this outdoor/indoor activity, learners collect ants and dirt to create an ant farm in a cup that they can observe over time.

Crawdad Grab
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In this outdoor, freshwater activity, learners explore the behavior and food preferences of crawdads (or crabs) by "fishing" for them with various baits.

Silent Stalking
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In this outdoor game, learners role play predator and prey to explore the importance of keen hearing and silent stalking skills in the animal world.

Scent Tracking
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In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.
Soil Secrets
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In this activity (located at the bottom of the page), learners investigate soil and explore the creatures that live in it.

Seed Dispersal
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In this outdoor activity and bingo-like game, learners explore why and how seeds spread far from the plants that produce them.

Mapping a Study Site
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In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site.

Tide Pool Survival
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In this activity, learners observe tide pool animals in a touch tank to consider how they survive.
River Catcher
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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

Out of Control
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In this outdoor activity, learners release a portion of a lawn from human control—no mowing, no watering, no weeding, no pest control—and then investigate the changes that result over several weeks.

Web Weavers
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In this outdoor science/art activity, learners investigate spider webs by using string to create their own spider webs.

Counting With Quadrants
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Millions of organisms can live in and around a body of water.

First Impressions
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Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.