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Topics/Subjects:
Physical sciences  
The nature of science  
Educational Level:
Middle school  
Elementary school  
Instructional Strategies:
Identifying similarities and differences  
Learning Time:
10 to 30 minutes  
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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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