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Sally Salivates Seashells by the Seashore- Ocean Acidification and the Effect on Sea Shells
Rus Higley, Highline Community College, and Vanessa Hunt, Central Washington University
In this lesson we review "Acids and Bases" taught in a previous lesson and, through a scientific method, will look at the impact of an acid on different types of shells. Students will reinforce previous learning of scientific principles including acids/basis and will develop a real experiment using the scientific method.

Resource Type: Activities: Activities
Subject: Mathematics, Environmental Science:Global Change and Climate:Climate Change, Geoscience:Atmospheric Science:Climate Change, Environmental Science:Ecosystems, Geoscience:Oceanography, Environmental Science

How Biodiverse is Lake Superior? An exercise in proportions.
Stephanie Kajpust
Students use critical thinking and algebra to measure and evaluate the biodiversity in Lake Superior.

Resource Type: Activities: Activities
Subject: Geoscience:Oceanography, Environmental Science:Ecosystems, Environmental Science, Mathematics

Salt Marshes: estimation techniques using basic algebra and geometry
Yelena Meadows, Upper Iowa University; Sharareh Nikbakht, Appalachian State University
The activity allows for learning about salt marshes ecosystem and practicing of basic math in estimations.

Resource Type: Activities: Activities
Subject: Biology, Environmental Science, Geoscience:Oceanography, Environmental Science:Ecosystems, Mathematics

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.

Resource Type: Activities: Activities
Subject: Mathematics, Environmental Science, Global Change and Climate:Climate Change, Environmental Science:Sustainability, Ecosystems, Geoscience:Atmospheric Science:Climate Change, Biology, Chemistry