The Channel Tunnel is a 50.5 km long railway tunnel between the United Kingdom and France, beneath the English Channel.
Solar power stations convert solar energy into electricity.
A metropolis is a large city with a population of over 1 million people.
The purpose of the electricity supply network is to provide electricity for consumers.
The Space Shuttle was a manned, reusable spacecraft operated by NASA.
Satellites orbiting the Earth can be used for civilian or military purposes.
This animation demonstrates instruments used to examine atmospheric phenomena.
The products of oil refining include diesel oil, petrol and lubricants.
Venus is the 2nd planet from the Sun, the brightest object on the night sky (after the Moon).
Tardigrades can survive in extreme environments, they can even stay alive in outer space.
Saturn is the second largest planet in the Solar System, easily recognisable by its rings.
During freezing hydrogen bonds are formed between water molecules resulting in a crystal structure.
Due to their asymmetrical profile of the wings, lift is produced while flying at a high speed.
In alkaline batteries electric current is generated by electrochemical reactions
An entertaining animation to practise orientation using a map.
The first indoor theatre in modern history to be constructed according to the theatre-building codes of Antiquity was inaugurated in 1585.
The most important Neoclassicist building in France, completed in 1791, became the final resting place of many of France´s greats.
This animation demonstrates the process of star development for average and massive stars.
The cathedral named after the Assumption of Mary into Heaven is one of the gems of French Gothic architecture.
An exercise about the regular hexahedron built from unit cubes to help deepen your knowledge of cubes.