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Batteries
A battery is a portable source of chemical energy, which is converted to electrical energy as soon as the battery is placed in a circuit. The main principle is the same in almost all batteries. A metal that forms the negative terminal is opposite a positive terminal. The positive terminal is also called anode, the negative terminal cathode. Between the two terminals there is an electrically conductive liquid, the so-called electrolyte. As soon as a battery is placed in a circuit, positive and negative terminals are connected via an external contact and electrolysis takes place. On the way, a current flows from anode to cathode
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Archäologie
Wo der Mensch lebt, hinterlässt er materielle Spuren, die teilweise viele tausend Jahre im Boden erhalten bleiben.
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Bronze Age
With the use of bronze as a working material a new historical era started at about 2200 BC.
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The Egyptian Book of the Dead
The notions described in the texts and pictures of the Book of the Dead are central to the ancient Egyptian belief in an afterlife – the belief in resurrection and life after death. In order to be granted passage to the “Realm of the Blessed”, the deceased first have to justify themselves before the Court of Death and give account that they have led their lives according to the laws of Maat – the order of the universe and justice. The Book of the Dead lists the names of the judges at the Court of Death, who the dead must appeal to and convince of their innocence. Further, it contains a plethora of magical texts for the protection of the deceased and describes the places in the underworld. These texts were inscribed on papyri, coffins and numerous burial objects like canopic jars, uschebtis or mummy masks so that they were available to the deceased at any time. After all, they describe their transformation from mortals to glorified god-like beings who would live eternally.
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Georg Elser
Who is this boy who almost killed Hitler later in his life? But for a gap of only a few minutes he would have decisively changed world history. Perhaps this boy would be hailed as a hero of German history today if his attack on Hitler had proceeded as he had planned? Who is this Georg Elser, who comes from a rather modest background and grew up in a small Swabian village far away from the big cities? And how did it happen, anyway, that he set out alone against Hitler? And why is it that this Georg Elser, who nearly changed the course of the world, is still so little known in Germany?
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Wie Chemiker arbeiten
Chemie begegnet uns permanent im Alltag, beim Kochen, Putzen oder Backen.
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Carbohydrates
The term carbohydrate or saccharide is a collective name for all substances with the chemical formula Cn(H2O)n. Carbohydrates are the basis of nutrition. They are part of our diet as starch, glucose (grape sugar), fructose (fruit sugar), lactose (milk sugar) and saccharose (beet, cane or table sugar). Important suppliers of carbohydrates are potatoes and cereals such as rice, wheat, maize, millet, rye and oats. The various carbohydrates in our foods are introduced to the pupils. The characteristics of polysaccharides, disaccharides and monosaccharides are explained to them and in which foods these substances occur and how they are structured. In addition, the different origins of starch, starch degradation products, gelling agents as well as sugar alcohols in confectionery are dealt with. The DVD shows how various substances can be detected with the help of chemical processes. Together with the extensive accompanying material the DVD is ideally suited for use in the classroom.
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Pre-March Era
After Napoleon's final defeat at Waterloo in 1815, Europe was reorganised at the Congress of Vienna.The civil rights achieved in the French Revolution, which spread throughout Europe, were taken back. The growing resistance to this culminated in the March Revolutions of 1848 in various European countries. The film traces the epoch of Vormärz in Germany and shows in particular how the political present of the time was reflected in literature.
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Lynx and wildcat
The film introduces two native large carnivores - the lynx and the wildcat.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
Plastik in unserem Alltag
Plastik hat sich in den vergangenen Jahrzehnten in unserer Umgebung stark ausgebreitet. So stark, dass wir es mit der Nahrung aufnehmen und es sich bereits im Urin von Kindergartenkindern nachweisen lässt.
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Neue Heimat Deutschland
Vorgestellt wird eine 17-jährige Syrierin. Wir treffen sie in der Erstaufnahme für Flüchtlinge im thüringischen Eisenberg. Ihr großer Wunsch ist ein Leben in Frieden.
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Schlägermädels
Heutzutage sind die meisten Jugendlichen regelmäßig und bereits sehr früh mit Gewalt konfrontiert. Sei es über die Medien oder durch eigene Erfahrungen, als Täter oder als Opfer, in der Freizeit oder auf dem Pausenhof. Was dabei immer noch viel zu oft übersehen wird: Es schlagen sich keineswegs nur die „Jungs“. In puncto Aggressionspotenzial herrscht unter den Geschlechtern längst Gleichberechtigung.
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