Introduction to Ionic Reactions Small Group Learning Kit Geology Specimen Collections_Rock & Mineral Collections Hand-crank centrifuge spins two 15mL

Hand-crank centrifuge spins two 15mL tubes with a bench-top clamp mount for teaching sedimentation and separation concepts without needing electricity

Mid-range single-decade resistance box stepping from 100 ohms to 1000 ohms in 100-ohm increments

equipping a class for fixed-and-movable pulley investigations

each topped with a small handling knob and stored in a hardwood block for classroom balance coursework

Introduction to Ionic Reactions Small Group Learning Kit Geology Specimen Collections_Rock & Mineral Collections Hand-crank centrifuge spins two 15mLSmall group ionic reactions kit introduces precipitation formation, chemical equations, and double displacement reactions through guided experimental procedures.