Every kid likes soap bubbles, especially giant soap bubbles. I've been toying with the idea of making giant soap bubbles all summer. Today we experimented with different soap solutions and learned about surface tension. The surface layer of liquids has a thin elastic "skin" called surface tension. In water droplets, the surface tension is what gives the droplet its dome shape. When air is blown into a soapy mixture, the liquid molecules try to stay together, wrapping around t