Description

Built-in launch-height scale on a 21-inch loop apparatus lets students release a 0

the 90-45-45-degree faces redirecting light through right angles for TIR demos

and arid environment survival features for ecology and animal behavior teaching

as well as Big Idea 1

Assorted Steel Spring Set Disposable_Disposable Built-in launch-height scale on a150 spring assortment mixing compression and extension types, lengths from 15mm to 300mm, for open ended exploration of Hooke's law, simple harmonic motion, and stored potential energy.

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Assorted Steel Spring Set Disposable_Disposable Built-in launch-height scale on a

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