Lighthouses are used as an aid to navigation in coastal waters.

Printed circuit board

This animation demonstrates the structure of small, mass-produced circuit boards.

Football stadium

Football is one of the most popular team sports due to its relatively low equipment requirements and simple set of rules.


The harp is one of the oldest plucked string instruments.

Aspartic acid

One of the twenty protein-building amino acids.

Meteorological instruments (basic)

This animation demonstrates instruments used to examine atmospheric phenomena.


One of the 20 amino acids that make up proteins.


One of the 20 amino acids that make up proteins.


One of the twenty protein-building amino acids.

2-methylbutane (C₅H₁₂)

One of the isomers of pentane, used as a solvent.


A crystalline substance, an extremely important material in the electronics industry (semiconductors, integrated circuits).

Female reproductive system (basic)

The reproductive system is a series of organs working together for the purpose of reproduction.

Ferrous metallurgy (basic)

Raw iron is produced from iron ore in iron smelters.

Log house

Log houses were a typical type of dwellings in Hungary in the Árpád era.


Panpipes (or pan flutes) are composed of several pipes of gradually increasing length.

Geographic coordinate system (basic)

The system of circles of latitude and longitude on the globe enable every location on the Earth to be exactly specified.

Change of seasons (basic)

Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes is continuously changing during the year.

Structure of Earth (elementary)

The Earth is composed of several spherical layers.

Kuruc soldier

The term ´kuruc´ denoted armed anti-Habsburg rebels (coming from various social classes) in Hungary in the 17th and 18th centuries.

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