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A simple experiment using a cup, water and some coins to demonstrate the effect of surface tension.
The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.
Interactively explore the timeline of the universe.
SImple explanation of what surface tension is and how water molecules interact.
Some quick, fun surface tension demonstrations.
An explanation or surface tension and how it makes capillary action possible.
An activity to try in the bathtub. It explores surface tension and all you need is scissors, styrofoam, a sponge, a toothpick, water and some soap.
An activity to do at home to explore the world of circuits. Make two types of dough, one that carries electricity and one that doesn't, to create all sorts of circuits and explore how they work.
Explore the moon's surface with this map: a mosaic of landing site images and a tour of the Apollo moon landings.
Frictional resistance to the relative motion of two solid objects is usually proportional to the force which presses the surfaces together as well as the roughness of the surfaces. Since it is the ...
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