A small, flat piece of Styrofoam, at least about three inches by three inches (For example, this could be part of a take-out container or a sheet of packaging.) Utility or EXACTO knife and an adult ...

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 ...

Introduction Have you ever wondered how water droplets form on a window on a rainy day, why some bugs can walk on water or why you use soap to wash your hands? All of these things are related to the ...

Waterlily beetles (Galerucella nymphaeae) literally fly across water, high speed videography and a bit of mathematical modeling reveals. The beetles have a combination of hydrophobic hairs that line ...