Presentation
FireproofBalloon
Ariella Faiga G
video
WHY DID THE BALLOON POP?
When the balloon is filled with just air it pops because the flame breaks the balloon's molecules. The rubber overheats and the bonds holding the rubber together are broken.
How does a balloon filled with water not pop?
Water has a high heat capacity which means it takes a lot of energy to separate the water molecules. Water's heat capacity is 4x more than air's heat capacity. So it takes 4x more heat to heat the balloon with water than the balloon with air.
Isn't the balloon burning?
The heat goes through the balloon and into the water. The water above the flame heats up, rises, and then sinks again, carrying the hot spot away. I.e the balloon is getting heated and then cooled by the rest of the water in the balloon.
Will the water-filled balloon ever pop?
Yes. If all the water in the balloon is too hot.
Sources
https://www.scienceworld.ca/resource/fireproof-balloons/#:~:text=When%20an%20air%2Dfilled%20balloon,rubber%20polymers%20together%20are%20broken.
https://www.experimentarchive.com/experiments/fireproof-balloon/
https://scientistfactory.com/experiments/beginner/why-doesnt-a-water-balloon-burst-from-heat/
Thank You!
Hope You Enjoyed!
Physics Project - Fireproof Balloon
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Transcript
Presentation
FireproofBalloon
Ariella Faiga G
video
WHY DID THE BALLOON POP?
When the balloon is filled with just air it pops because the flame breaks the balloon's molecules. The rubber overheats and the bonds holding the rubber together are broken.
How does a balloon filled with water not pop?
Water has a high heat capacity which means it takes a lot of energy to separate the water molecules. Water's heat capacity is 4x more than air's heat capacity. So it takes 4x more heat to heat the balloon with water than the balloon with air.
Isn't the balloon burning?
The heat goes through the balloon and into the water. The water above the flame heats up, rises, and then sinks again, carrying the hot spot away. I.e the balloon is getting heated and then cooled by the rest of the water in the balloon.
Will the water-filled balloon ever pop?
Yes. If all the water in the balloon is too hot.
Sources
https://www.scienceworld.ca/resource/fireproof-balloons/#:~:text=When%20an%20air%2Dfilled%20balloon,rubber%20polymers%20together%20are%20broken.
https://www.experimentarchive.com/experiments/fireproof-balloon/
https://scientistfactory.com/experiments/beginner/why-doesnt-a-water-balloon-burst-from-heat/
Thank You!
Hope You Enjoyed!