STEM Investigations: Design a Water Filter, Students will learn about the processes performed at Water treatment facilities, and then engineer their own small scale filtration plant. Kit contains enough materials for 15 groups of students
Effect of Salinity on Seawater kit, Includes: Phenolphthalein Indicator, 1M Potassium Chromate, 0.1M Silver Nitrate, 3M Sodium Hydroxide, Synthetic Atlantic Ocean water, Gulf of Mexico water and Pacific Ocean water, has enough materials for 15 groups