The water cycle (basic)

Water on Earth is in a continuous state of change. The water cycle includes processes such as evaporation, precipitation, melting and freezing.

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It is a sedimentary rock made up of loosely structured, rough grains of rock.


The last Ice Age ended about 13 thousand years ago.

The rock cycle

Due to the effect of both exogenic and endogenic forces, rocks constantly change. This is called...

Folding (basic)

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

Warm front, cold front

Cold and warm fronts are formed where bodies of cold and warm air meet.


Waves play an important role in forming the coast.

Snow line

Above a certain altitude snow does not melt, not even in summer.

Types of soil (sections)

This animation demonstrates different types of soil.

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