**Gears (updated) by Beau Sunahara

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Introduction

In this lesson, students will count teeth on gears and calculate the gear ratio between two gears; compare and contrast drive and driven gears; accurately describe the direction gears move when linked together; and do individual and group work.

Lesson Time

1 Class period
55 Minutes

Industries / Subjects / Grades

Industries / Pathways
  • Transportation Transportation

Standards and Objectives

Standards

California Academic Content Standards (5)
California's 2008 CTE Standards (1)

Related Instructional Objectives (SWBAT...)

  • Students will be able to describe which direction various gears spins when linked together
  • Students will be able to calculate gear ratios by counting teeth on two gears
  • Students will be able to calculate gear ratios of input ratio vs. output ratio
  • Students will be able to calculate final drive ratio

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