An odourless, yellow, solid substance, the 16th most common in the Earth´s crust. One of the best known sulphur compounds is pyrite, also known as ´fool´s...
Clothing reflects the lifestyle and culture of the region's inhabitants.
Find notable locations of the Carpathian Basin on a map.
Place the sites of notable battles in Hungarian history on a blank map.
Find notable historical places on a blank map.
The Soviet army became a very powerful power broker after WWI, at first due to its size, later due to its arsenal.
Find historic landmarks on a blank map.
A colourless liquid, a tertiary amide.
Place the sites of notable battles in history on a blank map.
One of the main units of Matthias Corvinus´ Black Army was the infantry.
The term ´hussar´ refers to a type of light cavalry which originated in Hungary and was the most popular in the 18th-19th centuries.
Pick the shape that is shown in different views below.
Not all nets consisting of 6 congruent squares are foldable into cubes.
Edges, diagonals and faces of a cuboid can be identified by its vertices.
The sum of the volume of the ´tetrahedrons´ gives an approximation of the volume of the sphere.
An allotrope of oxygen, consisting of 3 oxygen atoms.
One of the isomers of pentenes.
A solid, crystalline compound.
Colourless liquid that gives off smoke in moist air.
A colourless, heavier-than-air gas with a pungent odour.