Tasha McKelvey
Clay Whistles
Create clay whistles with your elementary or middle school students. The project is outlined in great detail here, complete with step-by-step photographs, finished examples, a materials list, student handouts, and a rubric. Students...
Howard Hughes Medical Institute
Modeling Trophic Cascades
In the ecological game of who eats who, one small change can have a big impact! Individuals create food chains in an array of ecosystems, then determine what happens to organisms in the chain when one organism changes its feeding...