Kit Safe Water Single, 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
Fact/folds & Fault Model - 5 Parts, piece model is useful to illustrate important folds and faults found in Earth's crust, Students can understand fold planes, effect of tectonics stress and structural elements of a fault