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Importance of Particle Size

Module Learning Objectives

By the end of the module, learners should be able to:

  • Describe how forces that cause a particle to move in air depend strongly on particle size
  • Predict the behavior of a particle based on size
  • Relate particle size to adverse health effects
  • Explain why personal samplers use health-relevant size criteria

Module Video: Importance of Particle Size

Hands-on Activity: Gravitational Settling and Brownian Motion

Module Resources and Documents
Click on the links below to obtain the classroom materials for this module.  Note that you need to be registered with Nano-Link and logged in to download files. To register or log in, click here.

Gravitational Settling & Brownian Motion Hands-on Activity (Instructor Guide)

Gravitational Settling & Brownian Motion Hands-on Activity (Learner Instructions)

Importance of Particle Size (Presentation Slides)