Description
and pith for stem anatomy and plant tissue teaching
Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed
sized so that students can compare its uniform-curvature surface charge against sphere and cone partners in the conductor set
Reel of bare 18 SWG copper wire totaling roughly 80 feet by mass
Faraday's Butterfly Net Electricity & Magnetism_Circuits and pith for stem anatomyDemonstrates that charge resides only on the outer surface of a conductor by inverting the charged net inside out and showing the charge transferring to the new outside layer.
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