US$ 30.99
large enough for whole-class visibility when tracing magnetic field lines around bar magnets
Nine removable sections expose cortical hemispheres
and flight adaptations for bird biology teaching
with polystyrene spheres
Zinc Plates for Simple Cells Subcategory_Inorganic Compounds large enough for whole-class visibilityZinc plate with 4mm socket terminals sized for the simple cell apparatus, providing the more readily oxidized electrode that drives current in classic galvanic cell demonstrations.
US$ 30.99
US$ 45.00
US$ 26.99