Deep-sea hydrothermal vents

A hydrothermal vent is a fissure in the planet's surface through which geothermally heated water erupts.

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Mineral or rock?

In this lesson you will learn more about minerals and rocks.

Coal formation

This video presents the different stages of coal formation.

Travertine Terraces

Find out the secret of the unique beauty of travertine terraces.

Soil types - Hungary (map)

This animation demonstrates the types of soil found in Hungary.

Sedimentary rock

Did you know that about 75% of the land on our planet is covered with sedimentary rock?

Greenhouse effect

Human activity increases the greenhouse effect and leads to global warming.

From the Sahara to Amazonia

A szaharai porral érkező tápanyagok nélkülözhetetlenek az Amazonas növényvilága számára.


Tsunami waves are very high waves of immense destructive power.

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