A father and his two daughters draw faces on balloons. They are making puffer fish using baking soda and vinegar for a science project. They're wearing casual clothing and drawing with a black marker ...

In each of the experiments, participants had to pump up an un-inflated balloon on a computer screen, with each single pump earning imaginary money. Their instructions were to earn as much imaginary ...

You can demonstrate lightning by creating a tiny spark of static electricity with a balloon and a metal spoon. Diffusion is the movement of a substance from an area of high concentration to an area of ...