The Gregorian calendar

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

Related extras

Folding (basic)

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

El Niño

Az El Niño jelensége szinte az egész Föld éghajlatára hatással van.

Volcanic activity

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

Cloud formation, types of clouds

Evaporating surface water forms clouds of various shapes from which water falls back to...

Topography of the Earth

The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.

Weather project

You can become meteorologists through fun group tasks.

How are rocks made?

You can follow the process of the formation of rocks.

Terms of physical geography

This animation demonstrates the most important relief features, surface waters and their...

Added to your cart.