What's the effect of soapy water used to soak stainless steel wire?
If you look carefully, the bubbles will be colorful in the sun. This is because the sun is actually a colorless: seemingly complex light consists of red, orange, yellow, green, green, blue, purple and other seven kinds of monochromatic light, if somewhere in the soap film that two shares of the reflected light offset, in this place can not see the red and blue green. The same way, in the other part, a light has been strengthened, showing is another color. Soap bubbles are made of a thin layer of transparent cellophane, and when the sun shines on the soap film, it reflects both inside and outside.
If you want to make a big lather, put a little starch or protein in the soap and water. They make the soap film hard to crack.
You must blow soap bubbles, the soap dissolved in water, and then use the Straw dipped in soapy water gently blowing, blowing soap bubbles will be riotous with colour, can be fun. Why use soap and water to blow out soap bubbles? This is because soap and water can form a layer of soap film, and the soap film is not easy to be broken. When you blow, the soap film expands little by little and becomes soap bubbles, just like blowing balloons.