Bimetallic Strip Thermal Expansion Demonstrator Type_Round End and balance arms during physics

and balance arms during physics force and pressure experiments

this compact insulated wire keeps color-coded wiring intact when student work shifts to small-scale breadboarded circuits

Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary

and protein separation across three selectable ranges (0-50V

Convex glass mirror at 50mm diameter and 300mm focal length

Bimetallic Strip Thermal Expansion Demonstrator Type_Round End and balance arms during physicsWooden handled bimetallic strip of bonded copper and steel, curving visibly under heat as the two metals expand at different rates, the principle behind thermostats and coils.