Discover what lurks in tapwater!
Students use real scientific methods to make a mini water cycle in a jar, learn how what we pour onto the ground can get into our drinking water with a pollution parfait, learn what's in the water they drink using the included Testabs, make their own lava lamp to see why four quarts of motor oil poured down a storm drain can result in an oil slick eight acres wide, and more.
Includes: 10 pH wide range Testabs, 10 chlorine DPD #4R Testabs, 20 hardness T Testabs, 10 Copper HR Testabs, 10 Iron LR Testabs, 4 small test tubes with caps, 1 big test tube with cap, instruction booklet filled with facts.
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