Rietveld Schröder House (Utrecht, 1924)

The Rietveld Schröder House, located in the town of Utrecht in the Netherlands, can be considered a forerunner of modern houses.

Bombardier CRJ200 (1991)

The small passenger aircraft is designed for speed, convenience and economical operation.

British soldier (World War I)

During World War I, Britain was part of the military alliance called the ´Triple Entente´.

German soldier (World War I)

German sordiers in the First World War were well trained and used modern weapons.

Western jackdaw

Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.

Shadows

Change of light conditions in different seasons. Measuring height using shadows.

The development of television sets

Television, invented in the early 20th century, became one of the basic forms of entertainment.

Saker falcon

The saker falcon is a large bird of prey widespread in Europe and and Asia.

Sabre-toothed cat

Large, extinct species of cats named after the shape of their large canine teeth.

Firearms

Competing with each other in the 19th and 20th centuries, the world´s most powerful nations made great efforts to develop effective firearms.

Shape games

Find views and nets of three-dimensional shapes.

Ötzi, the Iceman

The mummified body of a man who probably lived in the Chalcolithic period, was found in one of the glaciers of the Alps.

Junkers G 24 floatplane

A floatplane (sometimes called hydroplane) is an aircraft capable of taking off not only dry land, but water too.

Romanesque style Benedictine church (Ják, Hungary)

A Romanesque style Benedictine church with a special gateway, built in the 13th century in Hungary.

World religions today

The geographical distribution of major (world) religions has been influenced by historical events.

European ground squirrel

Subterranean rodents widespread in Central- and Eastern Europe.

The reproduction and development of insects

Based on their life cycle, insects can be grouped into three categories: ametabolous, hemimetabolous or holometabolous insects.

B-2 Spirit (USA, 1989)

The B-2 Spirit heavy stealth bomber was deployed in the Balkan war, Afghanistan and Iraq.

U-2 ’Dragon Lady’ (USA, 1957)

The efficient reconnaissance aircraft has been used by the CIA since the Cold War.

Tanks (World War I)

Tanks developed in the mid-1910s quickly became the most important weapons of land-based military operations.

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