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Kreislauf der Fotosynthese
Die Fotosynthese ist ein fundamentaler biochemischer Prozess, der von Pflanzen und Algen betrieben wird. In dem Film wird dieser Prozess in Grafiken und Realbildern detailliert und anschaulich dargestellt. Auf die Entdeckung durch Joseph Priestley und sein berühmtes Experiment wird ebenso eingegangen wie auf die Bedeutung der Fotosynthese für die Ökosysteme der Erde.
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Genetic Code Sun
Life on Earth assumes a large variety of shapes. There is plant life and animal life. Protozoa live alongside human beings, ants alongside fish and elephants, a blowball alongside a cactus.
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Hecht
Der Hecht ist Fisch des Jahres 2016. Er ist einer unserer größten heimischen Raubfische. Sein Maul ist mit messerscharfen Zähnen gespickt.
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Sharks
The enormous size of the jaws and the frightening teeth of sharks have always attracted people's interest. Horrifying news of attacks on humans did the rest – "Jaws“: Steven Spielberg turned this best seller by Peter Benchley into a world-famous film. The story, published in 1974, is based on true events. In the 1960s, sharks were often spotted off America's coasts and the press was generous with reports often so scary that fear was fuelled. One day, as a shark stranded, it was a unique opportunity for the crowd of perplexed swimmers to observe the supposedly terrible monster at close range. Watching living sharks from special protective cages is a popular albeit expensive tourist attraction. It is an unforgettable experience to watch and photograph a shark swimming freely and gliding gracefully.
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Birds
This DVD from the Vertebrates series comprehensively introduces birds by means of various examples of indigenous, tropical and polar bird species. Among other things, it provides information on typical bird characteristics such as skeleton and bone structure, structure and function of the beak and feathers as well as the principle of light-weightness. Impressive close-ups of prepared bird bones as well as of a feather’s vane serve to illustrate these aspects. The adaptability of birds to the environments of air, land and water as well as to different kinds of food are shown by means of the examples of typical representatives of the species such as eagle and falcon, emu, duck, moorhen and kingfisher. Here, the pupils also learn about the relation between diet and shape of beak. The reproduction and breeding of birds is illustrated with impressive outdoor pictures of courtship and nest-building with different bird species, the hatching of a chick, the raising of grey herons up to the squabs’ first attempts at flying. Furthermore, the menu includes additional pictures as well as a tabular list of the different breeding times of altricial and precocial birds. Thus, this DVD offers flexibility and variety in the classroom and is especially suited for interactive learning.
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Evolution
Of all mammals existing today, the primates have the oldest phylogenetic tree. This film shows on the basis of extant species of the order of primates, which we humans also belong to, the phylogenetic tendencies in evolution from the treeshrew to prosimians, monkeys and apes to the genus homo. Special emphasis is laid on the visible outward characteristics of the skull and its sense organs, changes in the position of the spinal column as well as the development of extremities and their adaptation to various habitats. Changes in the anatomy of the skull, the development of the eye socket and also the shifting of the eyes from the sides to the front position, the dental structure and development of the jaw bones and the changing proportions of the mandible skeleton and the brain case are demonstrated on genuine skulls. The film analyses in detail the evolutionary tendencies of primates and convincingly answers the question on the origins of their development.
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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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Fish Farming
Lakes, rivers and streams are the natural habitats of our freshwater fish. Some of them, such as carp, trout and char, are eaten as food fish. But where do the fish come from and why have our lakes and rivers not been fished dry yet? Since the Stone Age people have been catching fish for subsistence. Fish is an important source of protein. With a wide variety of methods, such as fishing rods or nets, we hunt them successfully.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
Kirchen
Kirchen haben eine lange Tradition und von außen sind sie heute meistens gut erkennbar. Aber wie sehen Kirchen eigentlich von innen aus? Denn egal ob alt oder neu, groß oder klein ─ so unterschiedlich sie auch aussehen, die meisten Gegenstände findet man in jeder Kirche. Der erste Blick, wenn man eine Kirche betritt, fällt meist auf den Altar und auf das über ihm hängende Kreuz. Für die Hostien, die den Christen so wertvoll sind, gibt es in der Kirche einen ganz besonderen Platz ─ den Tabernakel. Im Tabernakel werden die geweihten Hostien nach dem Abendmahl aufbewahrt. In der Nähe des Tabernakels hängt das ewige Licht.
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Seltene Erden
Der technische Fortschritt versorgt die Menschheit zuverlässig mit innovativer Technologie. Dies hat die Nachfrage nach spezifischen Rohstoffen, etwa für Mikrochips, Rußpartikelfilter, und Dauermagneten sprunghaft steigen lassen. Metalle wie Lithium, Cer, Neodym und weitere gehören zu den sogenannten „Seltenen Erden“. Der Bedarf nach ihnen hat große geopolitische Auswirkungen, und hat zum Aufstieg Chinas, das den Großteil der Lagerstätten auf seinem Gebiet birgt, entscheidend beigetragen.
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Lignite
Lignite, or brown coal, is an important energy carrier for providing Germany with electric power. In 2017 some 23 % of the country’s electricity was still obtained from lignite. German mining activities are centred in the Rhenish lignite fields to the west of Cologne. In the new eastern states, lignite is mainly extracted in the mining areas of Central Germany and Lusatia.
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