Exploring gears

250geararrayHow do gears interact to vary torque and angular speed? Build different gear assemblies to discover these effects.

What do the terms “gear up” and “gear down” mean?

This lesson is one in a series of introductory lessons that is applicable to all types of robotics kits. The lessons are geared to students in early primary to middle school (depending on the lesson). Additional material, specific to certain kits, is available as attachments.


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The Tufts Center for Engineering Education and Outreach (CEEO) in Boston, Massachusetts, is dedicated to improving engineering education in the classroom, from Kindergarten to college. The Center houses faculty, staff, and graduate students from engineering disciplines and the education department.

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