Administrative divisions of China

A presentation of the major administrative units of China.

Stearic acid (octadecanoic acid) (C₁₇H₃₅COOH)

Solid, white substance, a constituent of vegetable oils and animal fats.

Unmanned aerial vehicles (UAV)

The range of applications of unmanned aerial vehicles ('drones') keeps growing.

The anatomy of the heart

This scene presents the location, anatomy and functioning of the central organ of the human circulatory system.

Fallingwater (Mill Run, USA, 1939)

Frank Lloyd Wright's well-known work is a masterpiece of modern organic architecture.

Permian flora and fauna

This 3D scene presents the flora and fauna of the last period of the Palaeozoic Era.

Enzymes

Enzymes are protein molecules catalysing biochemical reactions. Their activity can be regulated.

Cement production

This 3D scene presents the steps of the cement manufacturing process.

How does it work? - Vacuum cleaner

The vacuum cleaner creates a partial vacuum and sucks up dust with the help of the incoming high-pressure air.

How does it work? - PET-CT

By positron emission tomography (PET), we can obtain visual information on our internal organs without making any surgical incisions.

German alphabet game

Practise the German alphabet and form words from the letters.

Bone structure

This scene explains the structure and functions of the bones.

Carbonic acid (H₂CO₃)

Colourless, odourless liquid produced by dissolving carbon dioxide in water.

The adrenal glands

The adrenal glands are responsible for maintaining homeostasis and producing a rapid response in stressful situations.

The structure of prokaryotic and eukaryotic cells

There are two basic cell types: prokaryotic and eukaryotic cells.

Russian alphabet game

Practise the Russian alphabet, build words from letters.

English alphabet game

Practise the English alphabet, build words from letters.

Megalithic cultures in Europe

Structures consisting of enormous stone blocks, dating back thousands of years, are monuments of megalithic cultures.

The Varaždin Castle (16th century)

This stunning castle is situated in northern Croatia.

The countries of Asia

Learning about the geographic location, capitals and flags of Asian countries through exercises with three levels of difficulty.

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