Low-Level Peroxide Test Strips, 0-100ppm, 50-Vial Capacity_500mL demonstrating conservation of momentum and

demonstrating conservation of momentum and energy through ball-to-ball collisions

5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration

this decade resistance box fits bench circuits that need precise

this Wimshurst generator builds a visible high-voltage spark

this metal wave apparatus pairs the rotary handle with a degree scale so students can read phase against vertical displacement

Low-Level Peroxide Test Strips, 0-100ppm, 50-Vial Capacity_500mL demonstrating conservation of momentum andLow level peroxide test strips in a 50 strip vial calibrated at 0, 1, 3, 10, 50, and 100 ppm, supporting semi quantitative hydroperoxide and ether peroxide monitoring in the lab.