Description
ventricles
and magnetic-property variations
Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur
this metal wave apparatus pairs the rotary handle with a degree scale so students can read phase against vertical displacement
Inertia Demonstration Kit Material_Bristle ventriclesDemonstrates Newton's first law by yanking a metal card from beneath a steel ball, leaving inertia to drop the ball straight into the waiting receptacle below.
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