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Showing results 81 to 100 of 106

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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

free Ages 4 - adult 10 to 30 minutes
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Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water.

1 cent - $1 per group Ages 11 - adult Under 5 minutes
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In this activity, leaners will observe the process of natural selection on a population of birds called 'Springbeaks' over four seasons of breeding on an isolated environment called 'Clippy Island.' L

$10 - $20 per group Ages 11 - adult 45 to 60 minutes
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This display shows the dangers of acid rain on buildings and other structures as two concrete bunny rabbits are disintegrated by sulfuric acid. Learners scrape chalk onto the concrete bunnies.

$5 - $10 per student Ages 11 - adult 10 to 30 minutes
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In this activity, learners will observe birds in their backyard or local park. They will attempt to find common Ohio birds and will look for bird behaviors just like an ornithologist.

free Ages 4 - adult 30 to 45 minutes
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In this activity, learners observe fly behavior and then build a flytrap.

$1 - $5 per group Ages 11 - adult 1 to 2 hours
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In this activity, learners observe mixtures of sand samples glued to note cards, and consider how sand can differ in size, shape, and color, and where it comes from.

1 cent - $1 per group Ages 4 - adult 10 to 30 minutes
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In this two-part outdoor activity, learners conduct a population census of squirting clams on a beach or mudflat, and investigate the clams' natural history.

$5 - $10 per group Ages 8 - adult 1 to 2 hours
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Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work.

1 cent - $1 per group Ages 11 - adult 45 to 60 minutes
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In this activity, learners explore a bucket of sand and beach objects.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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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.

$5 - $10 per group Ages 6 - adult Under 5 minutes
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In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.

$10 - $20 per group Ages 8 - adult 1 to 12 months
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In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.

free Ages 11 - adult 1 to 2 hours
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In this online activity, learners find out whether they are smart enough to survive as a plant.

free Ages 11 - adult 10 to 30 minutes
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"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?

Over $20 per group Ages 6 - adult 5 to 10 minutes
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In this activity, learners construct a coastal landmass from sand and add features such as tidal creeks and barrier islands.

$5 - $10 per group Ages 8 - adult 45 to 60 minutes
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In this quick activity, learners practice locating a constellation in a map of very dark skies.

1 cent - $1 per student Ages 6 - adult Under 5 minutes
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In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.

$5 - $10 per group Ages 4 - adult 30 to 45 minutes
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In this activity, learners set up a night time insect observation station with a light and sheet.

$5 - $10 per group Ages 4 - adult 30 to 45 minutes