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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.
Water Body Salinities II
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In this activity, learners discuss the different salinities of oceans, rivers and estuaries.
Toxic Popcorn Design Challenge
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In this activity, learners explore the engineering design process (EDP)—the process engineers use to solve design challenges.
Pom Pom Potential
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In this kinesthetic activity, learners move pom-pom "ions" across a membrane to simulate how an action potential is propagated along an axon.
Wind Tunnel
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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.
The Water Cycle
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Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle.
Radar Mapping: What's in the Box?
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In this activity, learners mimic remote sensing. Learners use a stick to measure the distance to a "planet surface" they cannot see, and create their own map of the landscape.
Water Treatment
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Water treatment on a large scale enables the supply of clean drinking water to communities.
Angles and Area
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In this activity (page 10 of PDF), learners approximate the area of the uppermost cross section of an impact crater using a variety of square grids.
Fruity-Glows: Pictures of Health on a Microarray Canvas
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In this activity (page 12), learners apply the concepts of pixilation and pointillism to the world of biomedical science.