Description
giving students shape variation on top of the material-density comparison
using a 5cm sphere with detachable hemispherical cups that lift away to test for residual charge
keeping tubes up to 13 mm upright on the bench during student experiments
two acrylic triangular blocks
10-Pack Chemical-Resistant Polypropylene Stoppers, 12/21 Pack Size_12 giving students shape variation onPack of 10 chemical resistant polypropylene stoppers fits 12 21 joints for sealing ground joint vessels with chemical and impact resistance.
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