4-Metal Equal Mass Cylinders Set (Copper, Iron, Aluminum, Zinc) Capacity_500mL this demonstration electroscope detects and

this demonstration electroscope detects and visually quantifies the magnitude of static charges

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

Triple-parallel plastic pulley with three 50mm wheels on a steel frame with end hooks

letting students explore induction

supporting a 1

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.