Interactive Curriculum Project

Title Page: TCH 201.07 -- Gears (Bilingual)

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About this Lesson


Covers spur gears, helical gears, bevel gears, worm gears, rack and pinion gears, and crown gears.

Lesson Objective

Understand how different types of gears affect the direction, distance or magnitude of the force in a machine.

Academic Standards1

Five Tiers: TCH 201: Understand how various types of simple machines make work easier by changing the direction or distance of the force; use simple machines to solve engineering challenges. Also, take mathematical measurements in centimeters and Newtons, make tables to record data, and create and test hypotheses.


simple machine, technology, gear, spur, helical, bevel, worm, rack, pinion, crown