A self-inflating balloon typically contains a small packet of baking soda and citric acid within the balloon. When water is added to the balloon, a chemical reaction occurs between the baking soda and citric acid, producing carbon dioxide gas that inflates the balloon. This reaction creates bubbles of CO2 gas, causing the balloon to inflate on its own.
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The independent variable for self-inflating balloons could be the type of material used in the balloon, such as latex versus plastic. This variable is changed or manipulated by the researcher to observe its effect on the self-inflating process of the balloon.
Filling a balloon with air is called inflating it.
Inflating a balloon involves filling it with air or gas gradually to expand it to its full size. Bursting an inflating balloon occurs when the pressure of the air or gas inside the balloon exceeds the strength of the balloon material, causing it to rupture and release the air rapidly.
The variable of self-inflating balloons is typically the amount of gas or chemical substance inside the balloon that causes it to expand and inflate on its own. This variable can affect the rate and extent of inflation, as well as the overall size and shape of the balloon when fully inflated.
How does the rate at which a balloon is inflated affect its size and durability over time?