US$ 10.45
Nine removable sections expose cortical hemispheres
Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns
and ray-tracing demos
and flight adaptations for bird biology teaching
7cm hoop offers 5/10/15-turn taps and an included compass needle for direct deflection readings
Zinc Plates for Simple Cells Subcategory_Inorganic Compounds Nine removable sections expose corticalZinc 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$ 10.45
US$ 12.98
US$ 24.90
US$ 30.00
US$ 42.99
US$ 40.90