7-Metal Density Cubes Set, 20mm (Brass, Lead, Iron, Copper, Aluminum, Zinc, Tin) Entomology & Zoology_Zoology Charts & Models this large earthworm dissection model

this large earthworm dissection model reveals segmentation

Demonstrates electromagnetic induction and Faraday's law by stepping DC input into 25mm high-voltage sparks across adjustable electrode rods on an open chassis

Twenty-six-SWG bare constantan wire on a 125g reel at 0

providing a stable burner on classroom benches while controlling flame type through a collar

7-Metal Density Cubes Set, 20mm (Brass, Lead, Iron, Copper, Aluminum, Zinc, Tin) Entomology & Zoology_Zoology Charts & Models this large earthworm dissection modelSeven metal 20mm density cube set with element stamped brass, lead, iron, copper, aluminum, zinc, and tin specimens in a snap top case for comparative mass volume calculations.