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Individual Glass Lenses
All Types and Sizes for all Optical Applications.
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Equilateral Acrylic Prisms
Demonstrate refraction and internal reflection.
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Tuning Fork Set
Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.
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'Happy' and 'Sad' Balls
Vividly demonstrate elastic and inelastic collisions.
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How Safe is the Food We Eat? Lab Activity
Simple, Student-Directed Science Activity
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Marbles
Educational Materials, Application: Physics, Package of 20
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Adjustable Aluminum Tuning Fork
This aluminum tuning fork has sliding weights on each tine.
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Acrylic Lens and Prism Set
This set is economical, durable, and versatile.
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Individual Forks
Even frequencies make harmonic relationships clear and calculations easier.
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Light Source
A handy addition to your optical bench, this light source features a 7.5 watt incandescent lamp plus a cord and plug for connection to 110 VAC power source.
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TeacherGeek Mousetrap Vehicle
The TeacherGeek Mousetrap Car Activity allows you to have the opportunity to build a better mousetrap.
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TeacherGeek Advanced Ping-Pong ball launcher
Includes more parts than the basic projectile launcher
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TeacherGeek Advanced Hydraulic Arm
Explore a full range of motion with the advanced hydraulic arm