Dragon Agate Point Size:3.5" 100g
US$ 54.95
Description
Pith balls suspended both inside and outside a charged metal cylinder make visible proof that electrostatic charge resides only on the outer surface of a conductor
25-inch base raises a magnetic needle to a 4
Plastic-housed 5
proof plane
Frontal and median head sections expose brain
Demonstration Motor with Newton Color Disc Physics_Force & Motion Pith balls suspended both insideUsed to spin the Newton disc into a perceived white via persistence of vision, this demo motor on a molded ABS base operates at 6 8V to demonstrate visible spectrum color mixing.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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