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This animation presents the formulas to calculate the perimeter and area of shapes as...
The world's most famous citadel, the Acropolis of Athens was built in the 5th century...
This animation demonstrates different types of volcanic eruptions.
The desalination process produces drinking water from seawater.
The ear converts the vibrations of air into electric signals which are then processed by...
The most famous and most magnificent amphitheater of Rome was built in the 1st century.
Visit the workshop of the Renaissance polymath and his most influential inventions and...
This animation demonstrates the type of engine most commonly used in cars.
The church of the "Holy Wisdom," built in the Byzantine Empire, had been one of the...
This animation introduces the most important organ systems of the human body.
This animation demonstrates how the Earth and the Moon were formed.
Large carnivores, perhaps the best known of dinosaurs.
A game to practice the use of analog and digital clocks.
An entertaining game about different views of spatial objects.
The Panama Canal is an artificial waterway created to shorten shipping routes between the...
A hydrothermal vent is a fissure in the planet's surface from which geothermally heated...
A selection of legendary buildings from the history of civilisation.
The Suez Canal is an artificial waterway connecting the Red Sea and the Mediterranean Sea.
A presentation of the major administrative units of China.
An introduction to the relief and hydrography of China.