Volcanic activity

This animation demonstrates different types of volcanic eruptions

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Rocks are a composed of minerals. These minerals can often be found in their pure forms.

The formation of fog

Fog is a type of cloud that forms close to the surface of the Earth. There are places on the...

Karst region (intermediate)

Karst formations include dolines and dripstones.


The last Ice Age ended about 13 thousand years ago.

The Earth’s magnetic field

The Earth’s magnetic North and South poles are located near the geographic North and South poles.

Glacier (intermediate)

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

The development of lakes

Standing bodies of water can form in depressions on the surface by both endogenic and exogenic...

Oxygen cycle

The oxygen cycle describes the movement of oxygen within its three main reservoirs.

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