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Educational Level:
Grade 5  
SMD Forum - Primary:
Earth Science  
Learning Time:
10 to 30 minutes  
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This twelve-minute YouTube video incorporates NASA imagery and visualizations as it traces the history of air quality research.

Keywords: Air pollution
Audience: Elementary school, Middle school
Materials Cost: Free

Students become aware of the changes in visibility and sky color due to particles suspended in the air, called aerosols. They observe, document and classify changes in visibility and sky color over several days and understand the relationship... (View More)

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