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Pesticides and Eggshell Thinning
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This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.
Clean Water: Is It Drinkable?
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In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.
Designer Seeds
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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.
Determining the Amount of Transpiration from a Schoolyard Tree
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In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.
Not Just A Bag Of Beans
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In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.
Water Walk
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Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.
Genetics the Easy Way
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In this activity, learners make critters out of recyclables and apply the rules of mathematics to solve genetics problems.