Garage Physics Torque Feeler Demonstration Kit Subcategory_Health and Genetics tracking each metal's conductivity by

tracking each metal's conductivity by the rate wax coatings melt from the heated end

and burners over Bunsen flames and heating apparatus in chemistry labs

Sprung-tip jockey contact slides smoothly along the resistance wire of a Wheatstone bridge or potentiometer to find the null-deflection balance point during student-built bridge experiments

Heart and both lungs separable into four removable parts expose pulmonary circulation and cardiac chambers together

Garage Physics Torque Feeler Demonstration Kit Subcategory_Health and Genetics tracking each metal's conductivity byTorque demonstration kit pairing a 1000g mass set, wooden dowels, and a steel marble to show how applied force magnitude and pivot distance combine to produce rotational mechanics.