Description

One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations

sized for reading

2 inches with 1

the root tip model on a stand exposes the root cap

Quartz is one of the most abundant minerals on Earth

Eddy Current Demonstration Apparatus, 13" Item Type_Scissors One-inch brass ball that threadsHeavy copper tube paired with a neodymium magnet and a steel slug, used to dramatize Lenz's law as the magnet drops noticeably slower than the non magnetic mass.

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Eddy Current Demonstration Apparatus, 13" Item Type_Scissors One-inch brass ball that threads

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