Sedimentary rock

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

Relaterede ekstramaterialer

Dannelse af stratovulkaner

Stratovulkaner består af lag af vulkansk aske, rester, og lava.

The moon

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


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

Udvikling af søer

Stående vandlegemer kan danne sig i nedtrykninger på overfladen af både endogene og...

The World of the seas

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

Join the caravan!

This lesson presents deserts and their flora and fauna.


Tsunami bølger er meget høje bølger med enorme ødelæggende kræfter.


The dissolution of limestone results in the development of karst formations.

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