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Structure of the Forest
Forests are more than an accumulation of trees. The individual tree is more than a valuable source of wood. From its roots to its crown, it offers habitats to a variety of the most different creatures. The older a tree, the more valuable it becomes to many forest inhabitants. And even in death it is still full of life. If you take a closer look at a forest, you notice that the plants grow to different heights. They form storeys like those of a house. At the top level there are only the big trees. From a bird’s perspective we see that the highest specimens in the forest form a closed canopy. In summer, the treetops resemble big parasols shading the forest floor. Depending upon how much sunlight filters into the depths, this has consequences for the forest vegetation.
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Mushrooms
This DVD offers a clearly structured survey of mushrooms with an emphasis on the following aspects: Mushrooms of different shapes and colours present their fruit bodies. The reproduction by means of spores is shown with different kinds of mushrooms. The actual mushroom is formed by hyphae in the ground. The symbiosis between mushroom and tree is called mycorrhiza. Mushrooms can be poisons or medicines, as is illustrated by the examples of ergot and the birch polypore. Mildews and slime moulds are examples of the decomposing effects of mushrooms. In the fermentation of yeast plants, sugar is transformed into alcohol and carbon dioxide. Lichens are extremely adaptable. Under the electron-scan microscope, we can see how algae and mushroom hyphae form a complex symbiosis. Finally, rules and recommendations for gathering mushrooms are provided. Outstanding shots (with impressive fast-motion pictures and animations) give the pupils a comprehensive overview of the characteristics of mushrooms.
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The Common Buzzard
The common buzzard is a well-known native bird of prey. You can often see it flying above fields or sitting by the roadside. But what are the typical characteristics and behaviour patterns of the common buzzard? The film covers the biological classification of the common buzzard, its characteristics and behaviour. The origin of its name is explained just as the classic characteristics, by means of which the common buzzard can be identified. We can see the common buzzard in its natural habitat, learn something about its hunting methods and its prey. Spectacular pictures show carrion crows and magpies, which “mob” the common buzzard as a direct rival for food. The hunter becomes the hunted. The reproduction of the common buzzard is covered, too. We observe the buzzard couple during nest-building and breeding. We accompany the chicks when they train their flight muscles and make their first attempts at flying. Together with the comprehensive accompanying material, this medium is perfectly suitable to get to know and appreciate our native common buzzard!
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Basics of Biology III
What is the importance and function of enzymes? The lock-and-key principle is explained and, based on amylase and katalase, the dependence of reaction speed and intensity of effect on temperature and pH-value can be seen. With microscopic pictures and graphs the structure of animal cells is explained. But their appearance is very different depending on their functions. Nerve cells differ from blood cells just like the latter from sperm cells. A tissue is a combination of many cells that perform specific functions in the body. Any kind of growth of an organism is only possible when new cells are created. The process of cell division is called mitosis. This is then differentiated from the multiplication of reproductive cells, as in them the number of chromosomes must be reduced to half. Impressive shots and graphs illustrate these processes. Together with the extensive accompanying material the DVD is ideally suited for use in the classroom.
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Vaccination
It is only in recent years that a vaccination has existed that is supposed to lower the risk of getting cervical cancer. This vaccination can protect against specific, sexually transmitted human papillomaviruses that are considered one of the causes for cervical cancer.
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Prayer
The prayer, a fundamental religious act, which may be formulated in the form of a request, a thanksgiving or as a dialogue. Whether in Islam, Christianity, Buddhism, Hinduism or Judaism – in all five world religions, the prayer is a communion with their God or a Higher Power. Thanking God, asking him for something, recapitulating the day, finding peace – all that can be contained in a prayer. We pray because we are looking for answers, consolation and strength and because in times of stress we seek peace and reflection. Some people also pray out of tradition or out of a sense of duty to their God. Some may also wish to have their prayers answered. There are studies investigating whether what we ask for in prayer actually comes true. The results, however, are not unequivocal. But to the one who prays this is no reason to stop. For the benefit of prayer cannot be measured by studies. For many the happiness of praying consists less in having their requests answered than in their contact with God. Together with the extensive accompanying material the DVD is perfectly suited for use in the classroom. Target group: primary school, special needs school, secondary school
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Tea
It is a popular hot drink all over the world. The Dutch brought it from China to Europe. It is the centre of ceremonies and traditions in various countries.
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Petroleum
Petroleum – a resource without which our modern industrial society is hardly conceivable. It serves as a basis for the fuel of almost all means of transport, but also for generating heat and electricity.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
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Israel
The territory of present-day Israel is one of the oldest cultural regions on Earth. It is the Holy Land of three world religions: Judaism, Christianity and Islam. But this country between the Jordan and the Mediterranean with a rich tradition is threatening to break apart because of the conflict between Israelis and Arabs.The territory of present-day Israel is one of the oldest cultural regions on Earth. It is the Holy Land of three world religions: Judaism, Christianity and Islam. But this country between the Jordan and the Mediterranean with a rich tradition is threatening to break apart because of the conflict between Israelis and Arabs.
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Venice
Showered with superlatives, Venice is doubtlessly an out- standing city, welcoming up to 15 million tourists annually. But despite the powerful magic it radiates, the city is confronted with seemingly overwhelming problems. Hence, detractors keep talking about a dying city. Is Venice then really the At- lantis of our time? The film published here first of all provides a survey of the most important geographic data of the lagoon city and looks into the question why more than one thousand years ago people settled in this inhospitable environment. The immense wealth of the former maritime republic can still be imagined when looking at the sumptuous architecture of many of its buildings. The DVD examines the various causes responsible for the rise of Venice to the dominating merchant power of the whole Mediterranean region during the Middle Ages. And why did the city lose its importance afterwards? As a special highlight of this DVD, we have included a film on Venice dating back to 1968. The two films are excellently suited for comparison, on the one hand with respect to the city‘s historic development, on the other hand in view of its respective treatment on film.
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Schleswig-Holstein
In the far north, at the border to Denmark, is the federal state of Schleswig-Holstein. The Baltic Sea coast and the hilly country to the east, the geest in the centre, the North Frisian Islands, the Wadden Sea with the North Sea coast determine the natural environment.
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