Description

Five-pack of 3/4-inch steel marbles

Reproduces Oersted's 1820 experiment

Built on a leveled cast-iron base with a dual-angle polymer top

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur

Three-Dimensional Solar System Teaching Model, 13" Plastic Labware_Plastic Burettes Five-pack of 3/4-inch steel marblesDemonstrates relative planetary motion on a 13 inch three dimensional solar system model with a 5. 9 inch sun and eight movable planets, paired with an experiment guide.

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Three-Dimensional Solar System Teaching Model, 13" Plastic Labware_Plastic Burettes Five-pack of 3/4-inch steel marbles

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