or log in with
The largest satellite of Pluto is Charon.
An exercise about compound ions.
About 1,500 people were taken to the labor camp also known as ‘the Hungarian Gulag’ during the Rákosi era.
An exercise about different types of bonds.
The primary source of energy for living cells.
The sweetest type of sugar.
An exercise about the polarity of molecules.
Colorless liquid that gives off smoke in moist air.
Napoleon Bonaparte´s Grande Armée was considered invincible.
A solid, crystalline compound.
A colorless liquid, a tertiary amide.
Clothing reflects the lifestyle and culture of the region's inhabitants.
Place the sites of notable battles in history on a blank map.
Find historic landmarks 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 notable locations of the Carpathian Basin on a map.
One of the stereoisomers of D-glucose.
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
Find notable historical places on a blank map.
A medieval castle in Hungary, built by King Louis I.