This presents an activity to enable students to check air quality in their environment by using an air strip model to collect particulate matter. As specified in the resource, establishing a control point is a good method to investigate the amount of particulate matter in their area. This is recommended for teaching.
Next Generation Science Standards (NGSS)
ESS3: Earth and Human Activity
MS-ESS3-3 Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.