fluid_mechanics.gif (14060 bytes)

FLOATING HEAVY OBJECTS ON WATER






EQUIPMENT
    redball.gif (326 bytes) Razor Blade
    redball.gif (326 bytes) Needle
    redball.gif (326 bytes) Wire Gauze
    redball.gif (326 bytes) Oil



NARRATIVE
            A razor blade, needle, or wire gauze can be floated on clean water because of the surface tension. A bit of oil on these objects will help them to float. Place the dish of water on the overhead projector for easy viewing.