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 ...

The relationship between topography and the terrestrial water cycle has been documented for thousands of years, yet there is ...

At 4,130 miles (6,650 km) long, the Nile in Africa is the longest river in the world. Some people consider the Amazon in South America to be longer. This is because the many hundreds of channels ...

The water cycle is the vital Earth process that moves freshwater and moisture around the planet, and for the first time in ...

Prolonged droughts, wildfires and water shortages. Torrential downpours that overwhelm dams and cause catastrophic flooding.

For the first time in recorded history the system that moves water around the planet is off balance, according to a landmark new report. Water moves around the world in "atmospheric rivers" as ...

Three-quarters of our planet is covered in water. The famous H₂O molecule, vital to life on Earth, constantly changes state and location depending on variations in temperature. It transforms from a ...