Rivers and landforms

A lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.

The boundaries of tectonic plates can be seen on the seafloor.

Lateral compressive forces cause rocks to form folds. This is how fold mountains are...

A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.

This video presents the different stages of coal formation.

Among the climate zones with the greatest extremes, the taiga only formed in the Northern...

What secrets does the Moon have? Who were the first men on the Moon? You’ll find out everything...

Water on Earth is in a continuous state of change. The water cycle includes processes...