Pondwater Tour Kit

Guide students through the study and measurement of changes in dissolved oxygen, nitrate, pH, and ammonia in lakes, streams, ponds or aquariums. The pondwater tour includes 40 simple test procedures designed for elementary and middle school students, grades 4 through 8. To reinforce key concepts and enhance the learning experience, each unit includes lecture materials, illustrated hand-outs, teacher tips, data sheets and interactive games.