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Showing results 1 to 8 of 8
Mercury in the Environment
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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-478.png?itok=4BAU6J18)
Cartesian Diver
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In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-755.jpg?itok=MmyHIHU4)
Transformation of E. coli Using Green Fluorescent Protein
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In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-351.jpg?itok=Yjqv9l8V)
Dark Adaptation
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In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-147.png?itok=pEwd6l7U)
Crunch Time
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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-200.jpg?itok=NY-jH17-)
Dress Like a Frog
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In this activity, learners will discover what it takes to be a frog. By dressing up like one, learners can visualize how each part of the frog plays an important role in surviving its habitat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-407.jpg?itok=hhLVUNqt)
Gene Switches
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In this activity, learners explore how genetic switches function and the role of genetic switches in the process of evolution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-198.jpg?itok=84yC5AOU)
Soak It Up: Understanding Amphibian Permeability
Source Institutions
In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.