Thermal Conductivity Star Chemistry 5% ±2 digit accuracy on

5% ±2 digit accuracy on a 3-1/2 digit LCD

dimensioned to hold a pair of 150mm (6-inch) bar magnets safely apart from other steel apparatus while preserving the polar alignment of each

Demonstrates that charge resides only on the outer surface of a conductor by inverting the charged net inside out and showing the charge transferring to the new outside layer

this demonstrator exposes coil

Thermal Conductivity Star Chemistry 5% ±2 digit accuracy onFour metal conductivity star with copper, brass, aluminum, and iron rods radiating from a central heated disc, letting students see conduction rate differences in one view.