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Showing results 161 to 180 of 413

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In this interactive activity, learners analyze seashells to explore phylogeny and evolution. Learners identify similar and dissimilar seashells to create a phylogenetic tree.

free Ages 11 - 18 10 to 30 minutes
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Learners design their own experiment to investigate how pollution diffuses through ground material.

$1 - $5 per group Ages 11 - 14 30 to 45 minutes
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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this hands-on activity, learners will become familiar with the special adaptations of rainforest plants and discover the conditions needed for tropical trees to survive along with what can impinge

$1 - $5 per group Ages 8 - 11 30 to 45 minutes
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In this activity, learners simulate a wolf and its habitat and observe what happens when the limiting factors change over time.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this data activity, learners analyze data from coral reef snapshots taken by scientists at the Virginia Institute of Marine Science.

free Ages 11 - 18 45 to 60 minutes
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This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.

Over $20 per group Ages 14 - 18 1 to 12 months
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Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.

1 cent - $1 per group Ages 14 - adult 5 to 10 minutes
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In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

free Ages 8 - 14 45 to 60 minutes
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In this activity, learners investigate soil erosion. Learners set up a simulation to observe how water can change the land and move nutrients from one place to another.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

free Ages 8 - 18 10 to 30 minutes
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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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In this activity, learners build one or more edible coral polyps and place them together to form a colony.

$10 - $20 per group Ages 8 - 11 30 to 45 minutes
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In this outdoor activity and fun race, learners first find the most common type of tree in a forest site.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity, learners construct bird feeders and set them up at to investigate bird behavior for one or two weeks. Multiple feeder designs are suggested.

$10 - $20 per group Ages 6 - 14 1 to 4 weeks
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In this outdoor, ocean-side activity, learners investigate the distribution of organisms in the upper region of the intertidal zone.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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The purpose of this lab is to recognize that the answers to some of society's industrial challenges may lie right in our own backyards.

$10 - $20 per group Ages 14 - 18 1 to 7 days
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In this quick activity (located on page 2 of the PDF under GPS Wetlands Activity), learners will model how wetlands act as natural filters for the environment.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes