Dimethyl ether (C₂H₆O)

A colourless gas with a typical odour, produced by dehydrating methanol.

Structure of Earth (elementary)

The Earth is composed of several spherical layers.

Nets of a cuboid (exercises)

This animation demonstrates the different nets of a cuboid and includes a game.

Faulting (basic)

Vertical forces can break up layers of rock into fault blocks, which then move vertically along the fracture planes.

Trumpet

The trumpet is a musical instrument with the highest register in the brass family.

Guitar

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

Panpipe

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

Harp

The harp is one of the oldest plucked string instruments.

Single street village with ’strip parcels’

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

Iodine crystal

A solid, grey substance which sublimates when heated. Its solution in alcohol is called ´tincture of iodine´, it is a disinfectant.

Karst region (basic)

Karst formations include dolines and dripstones.

Folding (basic)

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

Aspartic acid

One of the twenty protein-building amino acids.

Molecule exercise V (Oxo compounds)

An exercise about the groups and structure of oxo compounds.

Net of a cube (exercises)

Not all nets consisting of 6 congruent squares are foldable into cubes.

Battle of Muhi (11–12 April 1241)

The devastating defeat of the Hungarians in the battle against the Mongolians was the result of several bad decisions.

Molecule exercise VII (Organic nitrogen compounds)

An exercise about the groups and structure of organic nitrogen compounds.

Administrative divisions of Hungary

This animation presents the regions, counties and cities of Hungary.

Topographic map of Hungary

This animation demonstrates the geographical regions of Hungary.

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