Students use their five senses and the materials in this kit to explore the properties of the water found in ponds and streams. Covers the water cycle, watersheds, causes of pollution and acid rain, effects of pH on living things and more. Includes: 40 page guide and reproducibles in .pdf format on PC/Mac compatible diskette, 50 chlorine test strips, 50 phosphate test strips, 50 pH test strips, 50 nitrate/nitrite test strips, 50 total alkalinity test strips.