"I had taught the water cycle in the classroom, but it wasn't until this project that I realized I really was missing some major components," said Hill, who is now teaching eighth graders in ...

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 ...

Over two thirds of the Earth is covered in water. Water is vital to support all life on the planet. Water never leaves the Earth and its atmosphere. It simply moves around in what is called the ...

And it's constantly moving around in a process called the water cycle. Now that's got nothing to do with floating bicycles, which is a shame, but in this clip Professor Ian Stewart does get to go ...