Filters: Your search found 2 results.
Educational Level:
Upper elementary  
SMD Forum - Primary:
Earth Science  
Resource Type:
Photograph  
Activity  
Learning Time:
10 to 30 minutes  
Topics/Subjects:
Earth structure  
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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)

In this short demo/activity, a balloon with baking soda in it is stretched over the mouth of a flask or bottle containing vinegar. The balloon is tipped so that the baking soda falls into the vinegar, and the reaction creates carbon dioxide, which... (View More)

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