Rivers & Water Systems Unit for Grades 5–8 that teaches freshwater systems, watersheds, and human impacts through a visual slideshow while students follow along in a single organized Work Bundle. This comprehensive unit includes 3 structured parts with 20+ lessons where students investigate river systems, watershed dynamics, water quality, and human impacts such as dams, levees, urbanization, and land use through guided notes, diagrams, model-building activities, simulations, and real-world cas