Illustrating the Process of Science Using Leaf-Margin Analyses
Wendi J. W. Williams, South Texas College
The activity is derived from a Smithsonian Institution Middle to High School lesson distributed approximately 10 years ago using Leaf-Margin Analyses on fossil leaves from Wyoming, U.S. (based on work by Dr. Scott ...

Biosphere Socratic Questions
Dorothy Merritts, Franklin and Marshall College
Sample Socratic questions and answers regarding the biosphere. -