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Two pith balls suspended on unspun silk string to test for charged objects
4 x Medium Safety Pins
Dependable Rich Resource for Classroom or home
This convenient free fall apparatus for measuring the acceleration of gravity has a 150 CM fall length
Set of three conductors (linear – circular – solitary) to visualize the magnetic fields created
Convection in Air Apparatus Science Charts Two pith balls suspended onAn ideal apparatus for studying convection currents in the Air. Size: 23cm x 10cm x 10cm. This metal box has a glass front and two plastic chimneys. A candle is placed under one of the chimneys causing the convection currents. A piece of touch paper, producing smoke, is held at the mouth of the other chimney making the convection current dramatically visible. Premium Quality: Convection in Air Apparatus is made of high grade construction all the way
US$ 135.00
US$ 159.68
US$ 4981.50
US$ 2915.00
