Periphyton sampler for growing microorganisms on submerged surfaces and then analyzing in lab SS wire frame, reusable glass slides and two polyurethane floats, Perfect for algae, zebra mussels and other growth under a microscope for identification and counting
Digital TapWater Tour, Classroom investigation of how and why the characteristics of tap water can vary and affect everyday activities, Background information, test materials included for pH, chlorine, hardness, copper, iron, With Instructor, Student Manuals
Periphyton sampler for growing microorganisms on submerged surfaces and then analyzing in lab SS wire frame, reusable glass slides and two polyurethane floats. Perfect for algae, zebra mussels and other growth under a microscope for identification and counting, pack 10
Water Treatment and Filtration, Environmental Chemistry, Includes: Fine sand, Coarse sand, Fine gravel, Activated charcoal, alum, lime, Green food coloring, Odor agent, Plastic cups, 5 Stirring sticks, used in examining the changes in the water due to pollution
Ocean Trash Can Kit, Designed for 24 students work in groups of 4. Grades: 7 - 10, Students classify ocean pollution into five basic categories; debris, toxins, dissolved nutrients, particulates, and oil. They model the effects of ocean pollution with activities