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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-000-000-000-301.jpg?itok=PmKGLB0Z)
Fish Wheels
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In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to sur
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-859.jpg?itok=iBu9nBMp)
Underwater Hide and Seek
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In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-547.png?itok=QlWFhGrM)
Seafood Surgery
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In this hands-on activity, learners discover the similarities and differences between a vertebrate and invertebrate by dissecting a perch and a crawfish.