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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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Ecosystem Sea
The oceans have been the largest connected ecosystem of the world since hundreds of millions of years. All life originated here, and a stable system ranging from single-cell plants and animals to huge vertebrates has been established. An incredible abundance of shapes and colours has emerged. Even today, we know only a fraction of this variety. We know less about the co-existence of these beings, their interdependency and the conditions and particulars of their food chain than we know about one or the other celestial body. The largest consumers of the sea, sharks and whales have an important task in the marine ecosystem. They ensure that the populations of small predators like seals, groupers and tuna do not grow excessively. In the film, the interrelation between the individual creatures is illustrated and the ecosystem sea as well as the dangers of human interference are explained using the example of sharks and whales. We learn about these animals’ characteristics and structure. We also see why and how they are endangered and what damage the marine ecosystem might suffer if these animals were exterminated. The climate change and its consequences for the ecosystem sea are illustrated by the example of sharks and whales.
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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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Lynx and wildcat
The film introduces two native large carnivores - the lynx and the wildcat.
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Kräuterdrogen
Sie bekommen minutenlange Lachflashs, haben ihre Bewegungen nicht mehr unter Kontrolle oder rennen ziellos durch die Gegend. Internetvideos zeigen, was die sogenannten Legal Highs mit Jugendlichen anstellen.
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Auge
Die meisten der Informationen, die auf uns einströmen und einwirken, nehmen wir über unseren Sehsinn wahr. Was passiert in unseren Augen aber genau während des Sehvorgangs?
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Kräuter
Nicht nur beim Kochen werden Kräuter verwendet, auch bei gesundheitlichen Beschwerden und kleinen Schönheitsmakeln kommen die Alleskönner zum Einsatz. Aber Vorsicht ist geboten, denn nicht alle Vertreter sind ungiftig. "Schau dich schlau!" erkundet die Vielfalt der Kräuterwelt, gibt Tipps zur Verwendung und erforscht Kurioses rund ums Thema.
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Fossils
Is it possible for a stone to tell us a story about what animals and plants used to be there in former times?
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Human Lung
Only rarely do we notice that we need them: our lungs. Mostly, we breathe unconsciously and shallowly – especially if we have a sitting job.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
Horses
They are the epitome of power and elegance. Man domesticated them long after dog and cat, they provided meat, were strong agricultural helpers pulling ploughs and other implements. These hard times are over for the animals – their range of service has changed. The most favourite animal of many children and grown-ups, it has changed from former working animal to today’s companion for sport and leisure. The horse breeds known today are descended from a primeval horse. It lived about 50 million years ago – that is fifty with six zeros after it!
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Contraception
In view of a considerable number of teenage pregnancies and commencement of sexual activities at an average age of 15, the topic of contraception is extremely important in lower secondary school. This DVD offers a complete film as well as working materi- al that allows for a discussion of the topic according to the requirements of the respective type of school as well as to the socio-cultural circumstances. Apart from the film itself, which outlines the most important contraceptive methods, selected animations can be accessed via the menu. They illustrate complex content such as a woman’s cycle, structure and function of the male sexual organs and the effects of different contraceptives in terms understandable to pupils. The film is suitable for an entire series of lessons, with the teachers deciding themselves on the basis of the menu struc- ture what content is appropriate for a class.
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Microcosm
We perceive the world we live in with our sense organs. However, perception with our senses represents only a limited part of the cosmos we live in. There is a world eluding the perception of our eyes. It exists hidden away for its cosmos is extremely small. The world of microcosm. This world is full of fascination and surprises. Up to the 1930s a deeper penetration into the microcosm was impossible. Only the invention of a new technology enabled us to render still smaller details of the microcosm visible to the human eye. A magnification of up to a thousandth millimetre has become possible. This film provides a profound insight into the microcosm. Rare pictures of mites, water bears and other creatures, made visible by means of various microscopes make the film an extraordinary experience. In addition, the DVD includes bonus material explaining the functions of the different microscopes with the help of diagrams. Due to the combination of the subjects of microcosm and microscopes, this DVD is perfectly suited for biology classes as well as physics lessons.
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