Description
and ad-hoc experimental setups
Hooke's Law
Wooden wheel-and-axle simple-machine model on a 9
sized for individual student-lab use in simple-machines units
heating the bar until it no longer passes through the opening and contraction returns it
Alnico Cylindrical Magnet, 37 x 9mm Material_Copper and ad-hoc experimental setupsPink dots mark opposing poles on this 37 x 9mm Alnico cylinder pair, supplied with steel keepers and a cardboard storage box for sustained field strength between hands on experiments.
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