Task · part of 3. Air pollution. Do one of three
3(a). Particulate matter, and an experiment to detect it
Optional May not apply
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You have not answered "Air pollution: which route for requirement 3?" yet. Answer it and this step will either settle or drop off.
What PM is, how it gets into the air, what harm it does and what is being done, then test for particulates yourself.
Where this step comes from
- Environmental Science Merit Badge Requirements (Merit Badge Hub, last modified 2026-05-12), Requirement 3(a)