A DataSheet concisely describes a particular scientific data set in a way that is useful to educators interested in teaching with the data set. DataSheets highlight the connections between data sets and specific topics in science; they explicate how to acquire the data and include (when available) links to classroom activities that use the data. More information about DataSheets.Help
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NERC Foliar Chemistry Database part of Datasheets
This interactive site provides access to a large database of foliar chemistry for the northeastern US. The elements and compounds in the databse are Ca, Al, Mg, Mn, P, K, Sr, nitrogen, lignin, cellulose, hydrogen, ...