Aim changed from "To compare the rate of bubble retention in different brands of soft drink."
to "To compare the difference in carbon dioxide levels in home-brand soft drink bottles and regular-brand soft drink bottles."
New equipment list:
-3 Pepsi 1.25L bottles
-3 No Frills 1.25L bottles
-Pack of balloons (minimum of 6)
-Safety goggles
-Flexible measuring tape
-Heavy black marker
Note: Pepsi represents the regular brand and No Frills represents the home brand
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