Condensation on the cool surface (a beaker filled with ice) in an open system
Particles of air form drops on the cool surface due to cooling
Drops are formed due to the difference in temperature (or when cold surface encountered heat, drops are formed or when cold and hot air meet each other, drops are formed)
Ice on the surface melts and forms drops of water
Sweating happens (similar to human beings) and drops are formed
The coldness caused hydrogen and oxygen to change into water
Drops are made of water particles from inside penetrated the cool surface
Cold water evaporated when encountering heat
Drops of water on the outside of the cold surface comes from inside the beaker
The cold surface and dry air (oxygen and hydrogen) react to form water