Pond Scum and Agnes Pflumm (The Third Book in Agnes Pflumm Trilogy)

This book has it all!! A perfect introduction to microscopes and pond water ecology. An innovative, standards-based way of teaching about biodiversity, classification, populations, and energy flow through an ecosystem. An exciting approach to the Earth Science topics of watersheds, run-off, soil erosion, and sediments as major pollutants of streams. Pond Scum and Agnes Pflumm is a true-to-life environmental science mystery that features Agnes Pflumm's students as leaders and instigators for positive change.