Accelerometer, To study Newton's 2nd law and other motion related experiments. The unit comprises a rectangular-shaped container, marked with a centimeter grid, supported on a stedy base. The base can also be attached to a turntable, 15x27cm
For low- to medium-range colorometric analysis of water quality. Ranges: 0-1 and 1-10ppm. Includes 30 self-filling ampules, comparators, accessory solutions, snap cup and instructions.