Find present-day countries related to notable historical personalities.
The Athenian democracy was built on the community of citizens with full rights.
Senators, being members of the highest social class of ancient Rome, wore togas with purple edges.
The equipment of ancient Chinese soldiers was rudimentary.
The devastating defeat in the battle against the Ottomans marked the end of an era in Hungarian history.
A major battle in the history of Ottoman-Hungarian wars in the 15th century. Its memory is preserved by the noon bells that are still rung every day in...
Buses play an important role in public transport.
A 4-carbon alcohol commonly used as a solvent.
Tennis is played on a court covered with grass, clay or synthetic material.
Farming consists of special agricultural activities.
The sum of the volume of the ´tetrahedrons´ gives an approximation of the volume of the sphere.
An exercise about the groups and structure of mono-, di- and polysaccharides.
Edges, diagonals and faces of a cuboid can be identified by its vertices.
Pick the shape that is shown in different views below.
Not all nets consisting of 6 congruent squares are foldable into cubes.
About 1,500 people were taken to the labour camp also known as ‘the Hungarian Gulag’ during the Rákosi era.
The devastating defeat of the Hungarians in the battle against the Mongolians was the result of several bad decisions.
An exercise about the groups and structure of organic nitrogen compounds.
An exercise about the groups and structure of oxo compounds.
An exercise about hydrocarbons.