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Marine Mammals
The oceans are the home of whales, which look like fish but, in fact, are mammals like we humans and breathe with their lungs. The film shows the peculiarities of whales, which are divided into two main groups: baleen whales and toothed whales. Baleen whales, among which there is also the blue whale, the biggest of all whales, feed on tiny crustaceans called krill. Toothed whales feed on fish, crabs and other marine animals. One of the best known representatives is the killer whale, which is the fastest marine mammal with a speed of up to 55 km/h. With their leaps they delight the audiences in sea life aquariums. Whether they should be kept like that is a highly controversial issue, however. Whales are also much coveted because of their fat, meat and oil. Having been ruthlessly killed, whales have amost been wiped out and today are subject to international protection. Whale watching boosts people’s interest in these formidable animals. Another threatened animal species lives in the warm and shallow waters of Central America: the sea cows, which feed exclusively on plants and surface for breathing every 2 to 5 minutes. With the extensive accompanying material this DVD is perfectly suited for use in the classroom.
Learn moreChimpanzees
They are many children’s favourites. And expert gymnasts in their realm. Dexterously they make their way hand over hand from branch to branch or skilfully climb the long ropes. And in many respects they are quite similar to us – the monkeys, in particular the great apes. These here live in a zoo. But – where, actually, is their true homeland? Apes such as the orangutans, gorillas, chimpanzees and bonobos originate from the tropical rainforests.
Learn moreStochastik 1
Die Stochastik, zu Deutsch: die Kunst des Vermutens – auch Wahrscheinlichkeitsrechnung genannt – ist für die meisten Schüler und Schülerinnen ein ungemein schwieriges Kapitel der Mathematik, da die so oft in der Praxis angewendete Intuition hierbei nicht selten versagt.
Learn moreMacrocosm
Macrocosm – what is that? The film discusses this question in detail. Where does macrocosm begin? Can we imagine or even perceive its dimensions? The film illustrates in a descriptive way that macrocosm begins already on Earth, for instance in the forest..
Learn moreBilder laufen
Das Prinzip der Camera Obscura war bereits Aristoteles bekannt. Heute gilt sie als Vorläufer der modernen Fotografie.
Learn moreWind Energy
Our future lies in renewable energies. The fossil fuels coal, oil and gas will be used up within the next 50 to 300 years and are ecologically questionable just like nuclear energy, too. The sun, however, provides more energy than we need. Besides water power, sun light and bio mass, WIND ENERGY, most crucially, belongs to the renewable energies that have been used already for centuries. But what is wind? How was its energy generated, transformed and used in the past and how is this done today?
Learn moreHansa
Since the 11th century the population in Europe was growing. The reason for it was, among other things, an increase in agricultural production due to a good climate.
Learn moreAncient Greece
The age of antiquity ended over a thousand years ago, and yet, it surrounds us almost every day.
Learn moreThe Holocaust Memorial
The film “A German Memorial – How to Commemorate Six Million Murdered Jews” gives an insight into the two concepts of this memorial – each deeply impressive in its very own way. This thirty-minute documentary takes the viewer on a virtual tour of the Field of Stelae and the Information Centre. You will be immersed in the intensive atmosphere of the rooms, experience the visitors’ reactions and receive background information on the development and conceptual design of the memorial from the initiator Lea Rosh, the historians involved and the exhibition designer Dagmar von Wilcken. For the sound recording of the film, an unusual concept was implemented: there is no off-camera commentary, instead original sounds and interviews form the acoustic “backbone” of the documentation. The visitors’ voices reflect the different opinions on and impressions of the memorial, the historians talk about the contents of the exhibition and describe their experiences. These direct comments create a feeling of closeness. They convey the emotions the memorial stirs up in all those who take a closer look at it.
Learn moreDictatorships in the 20th Century V
Benito Mussolini is born in1883 in the Romagna, a region of farmers and labourers, and grows up in an Italy where the economic crisis determines people’s lives. This leads to mass emigrations in the south and also in the better developed areas of the north, the situation escalates. In 1911 unemployment reaches a record high throughout the entire country.
Learn moreC, CO2 and Associates in Everyday Life
All organic matter contains carbon. Coal is deposited in the Earth's interior. It developed about 300 million years ago from plants in a geological period which is also called Carboniferous. During the combustion of organic matter, carbon turns into the gas carbon dioxide. Dissolved in water, it becomes the so-called carbonic acid. Carbon dioxide is an incombustible, colourless and odourless gas that is easily dissolved in water. With various metal oxides or hydroxides it forms two types of salts: the carbonates and the hydrogen carbonates. As calcium carbonate it is contained in natural products such as chalk and egg shells. Specific forms of carbon, called modifications, are graphite and also the particularly valuable diamond.
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