Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 100 mm focal length, Lens measures 2in diameter, 0.1 weight
Metal Blocks, For Density Determinations, Set Of Twelve In Assorted Sizes, Shapes And Masses. The Set Comprises Two Each Of Brass, Iron, Aluminium, Copper, Zinc And Lead. Masses Vary From 12 - 25 G
Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 3in Hx1in W
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