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How Many Plants Make a Future? The Carbon Dioxide Challenge
Rus Higley, Highline Community College Marine Science and Technology Center, Vanessa Hunt and Timothy Sorey, Central Washington University
This activity focuses on the role of photosynthesis in a sustainable future. Students explore the effect of photosynthesis and respiration in a 'closed systems' containing plankton, marine plants, and fish. By calculating carbon dioxide uptake and production in these systems, they predict a plant: animal ratio sufficient to maintain a system in carbon dioxide 'balance' for one hour.
Subject: Mathematics, Environmental Science, Global Change and Climate:Climate Change, Environmental Science:Sustainability, Ecosystems, Geoscience:Atmospheric Science:Climate Change, Biology, Chemistry
Mary Holmberg Eden Valley-Watkins Elementary School Eden Valley, MN Based upon an original activity from Houghton Mifflin, DiscoveryWorks, p. E52
In this lab activity, students determine density differences of water samples with varying temperature and salinity levels. Students synthesize information to predict the effects of oil in given water samples.
Subject: Geoscience, Chemistry:General Chemistry:Properties of Matter, Chemistry, Environmental Science:Waste:Toxic and Hazardous Wastes, Geoscience:Oceanography, Environmental Science:Waste, , Environmental Science