Lighthouse

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

Athletics stadium

Several different sporting events can be held in an athletics stadium.

Single street village with ’strip parcels’

Villages established in valleys usually consisted of houses built on long and narrow plots of land.

Panpipe

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

Glutamine

One of the 20 amino acids that make up proteins.

Log house

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

Aspartic acid

One of the twenty protein-building amino acids.

Phenylalanine

One of the 20 amino acids that make up proteins.

Leucine

One of the 20 amino acids that make up proteins.

Arginine

One of the twenty protein-building amino acids.

2-methylbutane (C₅H₁₂)

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

Silicon

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.

Guitar

The guitar is a plucked string instrument available in various shapes.

Meteorological instruments (basic)

This animation demonstrates instruments used to examine atmospheric phenomena.

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.

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