What causes water pollution? How is it detected? How can polluted water be treated? Answer these and many other questions as you challenge your students with this hands-on primer. Using safe, easy-to-use chemical tests, kids analyze local water samples for a variety of common pollutants including chlorine, copper, hardness, dissolved oxygen, nitrogen, phosphate and pH. Learn to quantify the concentration levels of pollutants and how that level poses a danger to wildlife and man.
Enough for 40 6th grade+ students.
Item #: 423c Price: $73.95
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