Description
this demonstrator exposes coil
Five-piece giant wooden clothespin set sized at 7
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
with thumb-wheel jaw movement for fine dimensional precision
Thermal Conductivity Star Chemistry this demonstrator exposes coilFour 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.
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