This is a polished anodized aluminum sphere which, when grounded, is used to receive the intense arc discharges from the Van de Graaff generator dome. The flexible grounding lead is 90cm long and has a banana plug at one end which connects to the base of the sphere and an alligator clip at the other end which connects to the ground post on the base of the generator.
Comprehensive collection of 30 fossils.
This chemistry learning and experiment kit comes with components and chemicals for over 75 amazing experiments!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
Great reference card for chemistry and physics students.
Get one of the craziest and coolest kaleidoscopes around!
This science kit is an essential introduction to physics knowledge!
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