The Gregorian calendar

Developed nearly 500 years ago, it is a variant of the Julian calendar. Today it is the most widely used calendar.

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Africa – The Climatic Anatomy of a Continent

Az afrikai kontinens vízszintes és függőleges éghajlati övezeteinek bemutatása.

Hotspots

Hotspots are areas of the Earth´s crust where magma often rises to the surface and causes...

Afrika - The geological anatomy of a continent

Az afrikai kontinens földtani formálódása és földrajzi felosztása.

Folding (advanced)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Folding (intermediate)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Monsoon wind system

In summer, monsoon winds bring heavy rainfall from the sea to the mainland.

Glacier (intermediate)

A glacier is a large body of ice that forms from snow, and is in constant, slow motion.

Coal formation

This video presents the different stages of coal formation.

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