altitude

The distance in height above the ground.


Source
https://www.mathsisfun.com/definitions/altitude.html
https://www.mathsisfun.com/definitions/altitude.html

droplets

A tiny drop of liquid.


Source
http://wallpaperswide.com/droplet_2-wallpapers.html
http://wallpaperswide.com/droplet_2-wallpapers.html

ground water

Water that collects below the surface of Earth.


Source
http://www.groundwater.org/get-informed/basics/groundwater.html
http://www.groundwater.org/get-informed/basics/groundwater.html

hail

Drops of frozen water. Hail is like sleet, but hail is much harder and more solid than sleet.


Source
http://globe-views.com/dreams/hail.html
http://globe-views.com/dreams/hail.html

liquid

A substance that flows freely.  The liquid phase of water is as pictured


Source
http://wallpaperswide.com/liquid_splash_4-wallpapers.html
http://wallpaperswide.com/liquid_splash_4-wallpapers.html

sleet

Ice drops a mix of rain and snow.


Source
https://www.youtube.com/watch?v=AhBFanbd6Ng
https://www.youtube.com/watch?v=AhBFanbd6Ng

water vapor

The gas phase of water.  Steam forms when you boil water.


Source
http://www.yourdictionary.com/water-vapor
http://www.yourdictionary.com/water-vapor