Ocean Trash Can Kit, Designed for 24 students work in groups of 4. Grades: 7 - 10, Students classify ocean pollution into five basic categories; debris, toxins, dissolved nutrients, particulates, and oil. They model the effects of ocean pollution with activities
Optics Kit - Junior, 2.6lbs, 15.0x11.4x4.3inch, ray box with bulb and flex having two 4 mm plugs, a pair of blanking plates, two slit plates, Planoconvex lens, color mixing set, frosted concave lens, frosted convex lens, frosted semicircular lens
Kit Safe Water, Contains: Student instructions, Simulated samples of well water, tap water, and bottled water, Nitrate Test Solution, Arsenic Test Solution, Coliform Bacteria Test solution, Labeled droppers, Well Water Testing sheet, Bottled Water Testing sheet
Kit Lead An Element Of Danger, Contains: Student instructions, Santiagos blood sample, Lead Test Paper, Blood Lead Concentration Color Chart, Simulated samples of dust, water, soil, and pottery, 4 labeled droppers, 4 Lead Test Swabs, Lead Test Sheet
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