Fluid
Orange liquid is poured into a clear glass container

NASA helped make the orange fluid in this picture. It is used to keep ice from forming on train tracks. Image Credit: NASA

      a substance that flows; any liquid or gas



Sentences:
Fluids like tea and juice become round like balls when they are floating on the space station.

Water is a fluid.



More Information:
http://ksnn.larc.nasa.gov/webtext.cfm?unit=boil   →
http://ksnn.larc.nasa.gov/webtext.cfm?unit=sand   →