PITTSBURGH (KDKA) -- If you think about it, water can be kind of weird. It can be a liquid, a solid or a gas. It contracts when it is cooled to a certain point, then starts to expand as it gets closer ...

Demonstrates basic principles of water, including surface tension, pressure, and buoyancy. It shows how water can hold more than its brim due to surface tension, how pressure increases with depth, and ...

In its most basic form, surface tension is the tendency of liquids to bead up rather than spread out because they are more attracted to themselves (cohesion) than they are attracted to other things, ...

Learn about surface tension with Ms. Cerrato from Asheville, NC. Learn about surface tension with Ms. Cerrato from Asheville, NC. Rootle and PBS North Carolina are proud to bring you Teacher Time, a ...

The property of water that enables a bug to skim the surface of a pond or keeps a carefully placed paperclip floating on the top of a cup of water is known as surface tension. Understanding the ...

Discover how surface tension keeps water molecules together and how soap can break this force. Watch as pepper flees from soap in water, demonstrating molecular interactions in an exciting way. Watch ...

Fill water dropper with water Add one drop at a time onto the penny Watch what happens EXPLANATION: Have you ever seen a bug walk on the water? This is because of surface tension! Water is what we ...

Discover the amazing properties of water's surface tension as you make metal paper clips float on water. You'll learn about the forces that hold water molecules together and how insects like water ...

IF an oiled needle be placed on the surface of pure water, it will be supported, but if it be washed in a solution of potash, it will sink. In the first case the effect cannot be due to the ...