This activity was prepared by David Walker (LASA High School) and Rose Cory (University of Michigan), based on work conducted at Toolik Field Station in Alaska. The purpose is to introduce students to Van Krevelen diagrams, which are used to interpret results of high resolution mass spectrometry and characterize the compound classes present in complex organic mixtures. Students will
In this webquest, students use maps to relate global temperature change to changes in the range of insects and birds and projected changes in tree range. The activity could be used to teach a lesson via class discussion and/or written response; it could be completed by students in cooperative groups on paper or with shared computers; on the other