US$ 29.99
this demonstration electroscope detects and visually quantifies the magnitude of static charges
Triple-parallel plastic pulley with three 50mm wheels on a steel frame with end hooks
Beaker-themed beer pong set includes 12 polypropylene 500mL beakers and 2 pong balls for chemistry-themed party gameplay
Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing
4-Metal Equal Mass Cylinders Set (Copper, Iron, Aluminum, Zinc) Capacity_500mL this demonstration electroscope detects andFour cylinder equal mass set at 100g each in copper, iron, aluminum, and zinc, with lengths varying by density to isolate the mass volume density relationship for student investigation.
US$ 29.99
US$ 45.00
US$ 89.00
US$ 149.00
US$ 29.00
US$ 55.50
US$ 43.31
US$ 64.11