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"Human Biology Lab Activities&"
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Acceleration Trolley
Show your students how the rate of acceleration of an object depends on the angle of incline with this great hands-on activity.
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K’NEX Education Intro to Simple Machines: Levers and Pulleys
Identify All Three Classes of Levers and Their Key Parts
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Moving Motion
WARNING: CHOKING HAZARD–Small Parts. Not for children under 3 years due to small parts and small balls.
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Refraction Blocks
Rectangular blocks in a variety of sizes and are designed for use as an index of refraction plate.
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Laser Reflection Sensor
Sensor for triggering the digital counter in time measurements on moving objects. Suitable for opto electronic scanning of light and dark markings on moving objects or in conjunction with a reflecting foil to form a wide spaced obstruction sensor. The intensity of the laser beam is adjusted automatically according to the distance of the object. Includes reflecting foil, stand rod with screw thread, and connector lead with 8 pin miniDIN plugs.
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Speed of Light Apparatus
A classical experiment to determine the speed of light in air.
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Stem Explorations, Levers and Pulleys Building Set
Explore STEM concepts while building lever and pulley models!
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Guinea and Feather Apparatus
Compare the falling rate of a feather and a guinea (coin) with air resistance and in a vacuum.
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Plastic Pulley Triple Parallel
Economical pulley for simple machine experiments.
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Plastic Pulley Triple
Economical pulley for simple machine experiments.
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Parallelogram of Forces Apparatus
Apparatus to demonstrate parallelogram of forces with accessories.

