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Product Information Man is on the rampage! In this module students explore the causes and disastrous effects of pollution on our water and wildlife and what steps have been made and must still be taken to combat and prevent these effects. Through a series of hands-on activities, students test for water quality and presence of bacteria, determine the quantity of dissolved oxygen in water, investigate the principles behind the treatment of chemical wastes and more. Includes: droppers, dram vials and caps, measuring spoon and cup, test tubes, 33 mm slides, transparency masters, bentonite clay, charcoal (activated), coagulant, dissolved oxygen, potassium permanganate, methylene blue, sulfuric acid and 34-page teacher’s guide.  Tell a Friend about this item
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