Students will be able to develop and explain a particle-level model to describe evaporation and condensation in the context of the water cycle. The water cycle depends on the processes of evaporation ...

This is a model of a water molecule. The red represents one atom of the element oxygen, and the white represents two atoms of the element hydrogen. This is why you might hear someone call water “H2O”!

Water moves around the world in "atmospheric rivers" as part of the global water cycle, explained the report from the Global Commission on the Economics of Water. Water evaporates from ground ...

It simply moves around in what is called the water cycle. The water cycle is the continuous journey of water from oceans and lakes, to clouds, to rain, to streams, to rivers and back into the ...