The two pieces of tape will repel or move away from each other. It will be very hard to make the hanging ends touch. 4. Ask your adult partner to blow up and tie the balloon and to give it to you. 5.

It's all thanks to tiny living organisms called yeast! In this experiment, we'll see exactly how yeast works by watching it inflate a balloon. The same process that makes our balloon grow is what ...

This step adds a fun, creative element to the experiment, transforming a simple balloon into a puffer fish. Use scissors to ...

The Cleavers’ weather balloon, nicknamed “Optimistic,” required extensive planning and endured a few mishaps. It cost about $700, soup to nuts. The first two launch days had to be scuttled ...