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Water Body Salinities I
Source Institutions
In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.
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What's In Your Breath?
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In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.
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Exploring Earth: Land Cover
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This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.
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Seas in Motion
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In this outdoor, beach activity, learners use tennis balls, water balloons and other simple devices to investigate the movement of waves and currents off a sandy beach.
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Topographic Investigation: Map an Underwater Surface
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In this activity, learners create a map of a hidden surface using a "sounding stick" -- a technique similar to how underwater maps were once made.
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Corals on Acid
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The objective of this inquiry-based lesson is for learners to gain an understanding of how increasing ocean acidity can affect the calcification of marine organisms.
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Model Wind Tunnel
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In this activity, learners build a miniature wind tunnel to measure force. Learners construct the model out of Lexan plastic, a fan, and a precise digital scale.
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Runaway Runoff
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When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.
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Monitoring Amphibians
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In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.