Our Beautiful Planet - May 2021

Everyday Engineering: Toothbrush design—Is there a better bristle?

by: Richard Moyer and Susan Everett

Manufacturers often claim that their particular toothbrush design is better than the competitors, but is it? As a result, engineers must consider the economic issues involved with selling the products they create, as well as their functionality: to produce the best possible toothbrush regardless of cost, or the toothbrush that will sell the most, or perhaps the toothbrush that costs the least to produce. This article describes a 5E learning-cycle lesson where students explore various manual toothbrush designs.


Middle School


Type Journal ArticlePub Date 11/1/2010Stock # ss10_034_03_74Volume 034Issue 03

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