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Educational Level:
Upper elementary  
Informal education  
SMD Forum - Primary:
Earth Science  
Resource Type:
Photograph  
Activity  
Learning Time:
10 to 30 minutes  
Instructional Strategies:
Demonstrations  
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Designed as either a demonstration or an investigation for use in a formal or informal setting, this activity focuses on the effects of water density on water's movement. A list of materials, along with the instructions for building the apparatus... (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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