In this activity you’ll be observing some surprising properties of dish soap in water! Background Giant ships, people and rubber ducks can all float on water’s surface, thanks to one very ...

Water molecules attract each other. The molecules at the surface of a body of water make a film under tension. That film is strong enough to support a needle or a small insect like a water strider.

Soap and water bubbles are easy to make but their surface thickness is hard to control. So Potŏcnik and Humar also create bubbles using surfactants alone doped with dye, smectic bubbles as they are ...

When it’s empty, you can fill it up with liquid hand soap — a 52-ounce bottle of Dial is $5.97 — and then dilute it with water. Most internet articles recommend a 4-to-1 ratio of water to soap.