How it WORKS! The balloon inflates because the boiling water gives off a gas to inflate it. Then when the flask in the cold water with the balloon, it
{"Image DocumentName": "How it WORKS!The balloon inflates because the boiling water gives off a gas to inflate it.", "Image ImageDescription": "Then when the flask in the cold water with the balloon, it will start to deflate into the flask. There is low pressure in the cold water and there is high pressure out side of the flask.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}