"Physics Clearance"
Optical Refraction Components
These Optical Refraction Components are made from imported optical glass or acrylic with optically worked surfaces.
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TI-Nspire CX II CAS Graphing Calculator
Implement the newest Texas Instruments graphing calculator technology into the classroom.
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Differential Pressure Bottle
A dramatic visualization of air pressure. This 1000 ml bottle has a balloon attached to its neck and an additional hole in its base fitted with a rubber stopper. You cannot inflate the balloon with the stopper in place, but remove the stopper and the balloon easily inflates. Replace the stopper, fill the bottle with water, remove stopper and Whoosh! – a geyser erupts!
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TeacherGeek Check Valve - ¹/₈"
Check valves allow one way passage of water or air through tubing.
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TI-10 Calculator
This calculator includes all the great features of the TI-7 MathMate™ plus a 2-line display, problem solving, rounding and more.
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Eisco Semi-Plano Glass Lenses
Individual round glass lenses made with one flat side.
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TeacherGeek Chip Board
Fifty sheets of 8½×11" chipboard that easily bends, folds and cuts for all your design needs.
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Electric Bell
Electric bell that operated on 4 to 6 Volts DC with detachable cover and metal thread terminals.
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Ward's® Virtual Reality Headset
Using these inexpensive goggles with your smartphone, you can immerse yourself into a 3D virtual reality world!




