The atmosphere

The atmosphere surrounds us everywhere on this planet. We take its presence so much for granted that we often manage to forget it.

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Rivers and landforms

Rivers play an important role in shaping the Earth's surface: they cause erosion as well...

Volcanic activity

The area surrounding an inactive or extinct volcano is not necessarily calm. Let’s see the...

The path of bauxite

Bauxite is a raw material in aluminium production. Watch this video to learn how the well-known...

Eratosthenes

The circumference of the Earth has already been calculated in ancient Egypt. The calculations...

The World of the seas

Seas and oceans cover almost three-quarters of the Earth’s surface. 97.5% of the total...

The terrestrial planets

Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the Earth is...

Types of soil (soil profiles)

This animation demonstrates different types of soil.

Fjord

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

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