Altitudinal zonation

In mountainous areas the climate, soil properties, the flora and fauna change depending on elevation.

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Rocks are a composed of minerals. These minerals can often be found in their pure forms.

Natural gas and petroleum

Natural gas and petroleum are among the most important sources of energy and raw materials today.

Factors of warming

The duration of solar radiation, the angle of the Sun's rays and the surface albedo all have an...

Weather fronts

When masses of cold and warm air meet, weather fronts develop.


The rise and drop of sea levels caused by the gravitational force of the Moon.

Solar radiation

The Sun's rays travel through space without interruption, but once they reach the Earth's...


A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial...

Let's watch the auroras!

Let's find out interesting facts about the flora and fauna of polar regions and the...

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