"Physics Clearance"
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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TI-Nspire CX II CAS Graphing Calculator
Implement the newest Texas Instruments graphing calculator technology into the classroom.
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Ceramic Ring Magnets
These ceramic ring magnets have an inside diameter of 35 mm and an outside diameter of 45 mm.
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Economy Rod-Mounted Pulley
Excellent for Introductory Mechanics Studies
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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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Prisms
Clear, Short Prisms for Index of Refraction and Dispersion
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Double Sided Mirrors
Flexible mirrors for optical experiments.
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Squishy Circuits, Lite Kit
Uses conductive play dough and insulating play dough to teach electrical circuits basics in a fun, hands-on way.
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TeacherGeek Sail Car
Harness the clean, green power of wind to move your car.
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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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Wearable Circuits
Introduce core science and engineering concepts within an arts context.




