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

Summary

This lab is part of the full Indoor Air Pollution lesson plan. The vocabulary and map data activity can be completed first.

This air filter lab activity gives students a hands-on model for understanding how filters reduce particle exposure indoors. Students simulate airborne particles using cocoa powder and test a filter material by comparing results with and without filtration.

What students do

• Build a simple shoebox test chamber
• Use cocoa powder to represent airborne particles
• Run a no-filter trial and a filter trial
• Collect results on a sticky collection card
• Answer analysis questions about effectiveness and design trade-offs

What teachers get

• Clear setup directions and safety notes
• Materials list using common classroom supplies
• Data tables and analysis prompts
• Extension ideas for improving the design
• Answer key and sample responses

How to use it

• Run as the lab portion of the full lesson sequence
• Use as a one-day lab with discussion and an exit ticket
• Use the analysis section to support CER writing or small group discussion