Angel Fitor In every drop of water is a hidden world ... wanting to know if there were pieces of non-kosher creatures floating in the New York City tap water. The answer was yes.

Floating is when something stays on top of the surface of the water, like a boat. Sinking is when something drops beneath the surface of the water and falls to the bottom, like a stone.

Water floats in space, which can be problematic, so astronauts avoid using too much liquid. This floating water can interfere with equipment and cause damage if not handled properly.

The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets. Four billion years ago, Earth was a lifeless world, but a dynamic one. Crashing waves ...