Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
This animation demonstrates different types of soil.
This animation demonstrates the most important relief features, surface waters and their...
Climate is the typical weather of a certain region that changes practically only on a geological...
An earthquake is one of the most devastating natural phenomena.
Above a certain altitude snow does not melt, not even in summer.
Groundwater and aquifers are types of underground waters.
Ázsia és Ausztrália állatvilága a Wallace-vonal mentén különül egy egymástól.
The largest contiguous savannah in the world is in Africa. It covers about one-third of the...