This demonstration uses a water balloon to show how Earth's oceans are absorbing most of the heat being trapped on our warming world. Materials Several balloons Lighter (be sure it creates a flame rather than a jet) Bottle of water Bucket Safety goggles "DIY Space: Water Balloon Demonstration" video tutorial – Watch on YouTube Management Watch the "DIY Space: Water Balloon Demonstration" video tutorial at the top of the page for instructions on doing the demonstration. Procedures Blow up the ba