Le Chatelier's Principle Dynamic Overhead Chemistry Demonstration Entomology & Zoology_Zoology Models with pucks gliding nearly frictionless

with pucks gliding nearly frictionless across a blue-graduated steel surface

5mm hole for string suspension

and 26 SWG - sized as the matched replacement set for the PH0730 sonometer

8-inch length with dual button ends

configurable as a heavy pendulum bob or a demonstration mass for Newton's-first-law setups

Le Chatelier's Principle Dynamic Overhead Chemistry Demonstration Entomology & Zoology_Zoology Models with pucks gliding nearly frictionlessUsed to teach Le Chatelier's principle through visible color changes, this dynamic overhead demonstration kit shows how chemical equilibria respond to temperature, concentration, and pressure stress.