Biology
4671640 / 5561464
Biotope: Gravel Pit
Home to Rare Plants and Animals
The forest has been cleared, the bridge is already in place, too. Only the road surface is missing.
In Germany, every day an area the size of 125 soccer fields disappears under concrete and asphalt.
In the process, 250 million tons of sand and gravel are used per year.
But where do the many small stones come from?
Where, only a short time ago, corn, trees or grass used to grow, today excavator shovels dig into the soil. Like a wound in the landscape it is lying there – the gravel pit. But gravel pits are more than holes in the earth.
Curriculum-centred and oriented towards educational standards
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Ceramic
Ceramics are indispensable in our everyday lives. We eat from ceramic plates, drink from ceramic cups, use tiled ceramic bathrooms. But how is ceramic manufactured? The film reveals the secrets of this fascinating material! We get to know more about the beginnings of ceramic in the Old World of Egypt and Mesopotamia, about Greece, China and Rome. We gain interesting insights into the valuable earthenware and are also shown the exquisite further development of the "white gold". Today this versatile material is irreplaceable in industry, too. Whether in space or as an easily compatible substitute in medicine, ceramic is applied in many places.
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Product Piracy
Counterfeiting takes place in almost all economic sectors – textiles, watches, car parts, machine parts, tools, accessories, software and medicines. Some counterfeits are easy to recognise, others are so well-executed that even experts have difficulty distinguishing between original and imitation. This DVD covers the development of a product from idea to manufacture. Once a product has become a trademark, product pirates appear on the scene.