7-Piece Cross-Sectional Earth Globe Model Chemistry_Chemistry Charts & Molecular Models Three-times life size cross section

Three-times life size cross section exposes cortex

supporting three-rope compound arrangements for advanced mechanical-advantage investigations

Twelve-slot natural wood buret rack organizes vertical buret storage and simultaneous titration setup in chemistry and analytical laboratory classrooms

Built from two counter-rotating foil-sectored plates with a belt drive and a pair of Leyden-jar condensers

and resonance through a 6V motor driving cams and spring actuators across four springs and two hanging masses on a 19-inch frame

7-Piece Cross-Sectional Earth Globe Model Chemistry_Chemistry Charts & Molecular Models Three-times life size cross sectionReveals Earth's internal structure through a seven piece cross sectional globe whose crust, mantle, and core layers detach one by one for geology instruction.