Introduction to Indoor Air Pollution – Air Filters in Action Lab – Teacher

Summary

Teacher guide for an air filter lab where students build a simple shoebox filter box, use cocoa powder to model airborne particles, and compare dust buildup with and without a filter in place. The hands-on lab connects directly to real-world HVAC and mask filtration technologies. Includes full teacher notes, safety guidance, materials list, and a sample answer key. Best suited for middle school or high school science classes covering air quality or environmental health.