Description
this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves
Pack of 12 low-form Griffin beakers in borosilicate 3
letting students directly observe pressure-volume changes under stacked weights
Wooden fulcrum-balance simple-machine model with a sliding pivot
Simple Machines Simple Lever Model Subcategory_Spectroscopy this metal helix lets stairwell-scaleSeventeen and a half inch wooden simple lever apparatus with an adjustable fulcrum on an 8. 625x2. 25 inch base, supporting both qualitative and quantitative force vs distance student investigations.
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