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Project title Floating soap bubbles Featured science projectScience project video
Difficulty Level Elementary school
Project page  Click here to view this science project

Description
This experiment was performed to find out if soap bubbles will be able to stay afloat longer in different environments. The experiment was done to compare how long air bubbles float in air and carbon dioxide. 

Instructions preview
1. For this experiment, the independent variable is the air density (amount of carbon dioxide) in the aquarium. The dependent variable is the length of time the soap bubble stays afloat. This is determined by recording the time using a stop watch. The constants (control variables) are the volume of the tank, the soap water mixture and the size of the bubbles. 2. The 2 water tanks are labeled as “carbon dioxide” and “air”. Both tanks are placed overturned on a flat table. 3. The 200 ml of vinegar and 100 ml of sodium bicarbonate is mixed in the .....
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