Guinea and Feather Apparatus, 20" Glass Tube Science at Home_Chemical Science and 6V-powered ignition light staging

and 6V-powered ignition light staging each step

and mechanical-advantage experiments

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

Used to trace the invisible shape of magnetic fields

Guinea and Feather Apparatus, 20" Glass Tube Science at Home_Chemical Science and 6V-powered ignition light stagingDrops a dense object and a feather together inside a 20 inch evacuated glass tube, showing that air resistance not mass accounts for differences in fall time under gravity.