Rock Cycle 3D Cross-Section Model, 18 x 24" Subcategory_Acids and Bases Highest-decade single-dial resistance box stepping

Highest-decade single-dial resistance box stepping from 100k to 1M ohms in 100k-ohm increments

sized for short-time-constant RC charging investigations and demonstrations of energy stored as half-CV-squared

Bull frog dissection model with open back reveals vertebral column

SQUIBB || Squibb-style dropping/separatory funnel with 1000ml capacity

Single B22 bayonet lamp holder on a hard plastic base with two 4mm banana terminals

Rock Cycle 3D Cross-Section Model, 18 x 24" Subcategory_Acids and Bases Highest-decade single-dial resistance box steppingThree dimensional rock cycle cross section of Earth's crust on an 18 by 24 inch display, packaged with a teacher's guide linking igneous, sedimentary, and metamorphic transformations.