US$ 29.90
raising a magnetic needle high enough for back-of-room visibility during compass demos
Element-stamped 20mm solid brass cube for density investigation
and other laboratory support hardware
Twelve disarticulated ribs from one side of the thoracic cage
and meets AP Science Practices 2
Laboratory Grade Urea Crystals, 500g Electricity & Magnetism_Electricity & Circuits raising a magnetic needle highUsed in protein denaturation experiments and as a fertilizer chemistry feedstock, this 500g bottle of laboratory grade urea crystals (carbamide) serves general organic chemistry and biology work.
US$ 29.90
US$ 191.41
US$ 148.00
US$ 55.00