What is Drop?
[[File:Drop of water 2003 03.jpg|thumb|A drop of [[water]]]] [[File:Water drop animation enhanced small.gif|thumb|left|Water dripping from a tap]] A '''drop''' is a small bit of [[liquid]], such as [[water]], which is held together by [[surface tension]]. It is normally thought of as falling. Something that is dropping can sometimes be called [[wikt:drip|dripping]]. Drops are often [[circle|circular]] in shape, and sometimes when [[light]] is [[refraction|refracted]] through them, it makes a [[rainbow]] effect. [[Rain]] is an example of when drops fall. Drops are also like [[Liquid bubble|bubbles]], except they hold [[liquid]] instead of a [[gas]], like [[air]]. == References == {{reflist}} {{wikt}} {{science-stub}} [[Category:Matter]] [[ps:څاڅکې]]