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Ecosystem Lake
Lakes are stagnant waters that look quite peaceful to us. But the quiet is deceptive: above and below the water surface, life is anything but peaceful. Phytoplankton and zooplankton are eaten by small predators such as polyps or hydrachnidiae. Toebiters, dragonfly and beetle larvae are food for the water scorpion. As every animal feeds on different prey and in turn is eaten by various predators, a food web is created. The amount and variety of the lake inhabitants depends on the concentration of nutrients. In clear lakes, aquatic plants may spread down to a depth of 10 metres. Different zones with particular plant species are clearly visible. Also animals above the water profit from the rich underwater life, for example the waterfowl. Ever since the lake was formed, wind and waves have been carrying dead plants and animals to the shore, where they have sunk down and decomposed. At the same speed at which the lakeside grows, the water surface of the lake shrinks. With its extensive additional material the didactic DVD is ideally suited for use in the classroom.
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Organic Farm
That is how we imagine an ideal farm. Free-range hens, cows are being driven from the pasture into the stable, a cat is straying across the yard, the dog is watching over everything... This farm of farmer Ponzaun, however, exists today only because he need not subsist on the profit he makes from selling the products grown on his farm. The main income on the Ponzaun farm derives from the guests who want to experience once again what life was like on a farm in former times. During their holiday on the farm the children and the grown-ups want to participate in the daily life that is determined by the care for and life together with the animals and nature.
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Übergewicht
Becky Pfleger erzählt: „Das Schlimmste, was ich je erlebt habe? ... Ich wurde in der Bahn von einem Opa angeschrien: ‘Euch Dicke hätte man vergasen sollen wie die Juden damals!‘ “
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Stimme
Sie ist ein Teil unserer Persönlichkeit. Wir brauchen sie, um mit anderen zu kommunizieren. Wenn wir sie nicht schonen, lässt sie uns im Stich. Die Rede ist von unserer Stimme.
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Fette und Öle
Das Verhältnis zu Fett ist zwiespältig. Die einen streichen es aus ihrer Ernährung, die anderen geben horrende Summen für kaltgepresstes Olivenöl und seltenes Arganöl aus, um gesunde Fette zu sich zu nehmen. Dabei braucht der menschliche Organismus Fett um richtig funktionieren zu können. "Schau dich schlau!" nimmt Öle und Fette wie Oliven- und Sonnenblumenöl, Butter und Margarine unter die Lupe und zeigt, warum unser Körper darauf angewiesen ist um seine volle Leistung bringen zu können. Joey Grit Winkler und Fero Andersen wühlen sich durch den Ernährungsdschungel und entlarven typische Fettfallen. Von welchen Produkten sollte man die Finger lassen, weil sie viel fetter sind als wir annehmen? Je besser ein Gericht schmeckt, desto mehr Fett beinhaltet es in der Regel. Denn Fett ist ein Geschmacksverstärker. So zum Beispiel in Käse und Wurstsorten, aber auch in Gerichten wie Pommes oder Fischstäbchen, die frittiert werden. Um nicht auf diese Leckereien verzichten zu müssen, zeigt Fero Andersen wie man richtig frittiert und dabei nicht mehr Öl als nötig verwendet. Wer mit Fett brät, läuft bei falschem Umgang schnell Gefahr, eine Explosion oder einen Brand zu entfachen. Deshalb zeigt "Schau dich schlau!", wie sich dieses unnötige Risiko vermeiden lässt und wie – sollte der Fall doch eintreten – ein Fettbrand gelöscht werden kann.
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Bean
The word bean refers to both the seeds and the pods surrounding them and often even the whole bean plant. It is not easy to get an overview of the different types of bean plants. Their variety is due to, among other things, their different origins.
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Menstrual Cycle
It is a very special moment when you get your first period. And then we say: maybe this is worth a visit to the cinema for you and your parents or you go out for a meal together with your parents, without your siblings, or perhaps you have a little party or there is something special to eat, so don’t be shy. Dare to communicate this.
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Metabolic Disorder Diabetes
Big break in the school yard of the Freiherr vom Stein school. The pupils are talking or playing. Amidst them is Felix, twelve years old. He is always with them. Now it is necessary for him to measure his blood sugar because he has diabetes. The blood sugar level is permanently elevated in this disease.
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Reptiles
This DVD offers a clearly structured overview over reptiles with an emphasis on the following aspects: The origin of reptiles is proven by fossil finds from all over the world. The skeletons are proof that reptiles were not confined to life on land but were also adapted to water and the air. The typical common characteristics of reptiles, such as the coat of scales and a poikilothermic body temperature, as well as the extremely different appearances of poisonous snakes and constrictors, turtles, lizards and crocodiles are discussed in detail. The different methods of finding food both as a herbivore or as an ambush predator with the use of poison or with the help of a pit organ are shown. The “invention” of the amnion made the reptiles’ reproduction independent from water and enab- led them to lay their eggs on land.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
The Eurasian Eagle Owl
With a body length of 60 to 75 cm and a wingspan of up to 170 cm, the Eurasian eagle owl is the largest owl in the world. It is also referred to as “king of the night skies”. After being hunted and almost exterminated by humans, the population of the Eurasian eagle owl has started rising again since the middle of the 20th century. Nevertheless, according to experts, it is not secured yet. Destroyed habitats and disturbances at the breeding sites, for instance by climbers, as well as dangers from power poles still threaten the population of the Eurasian eagle owl today.
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Blossoms
In impressive pictures several interesting biological topics are conveyed by this film: knowledge of the structure of blossoms, their variety of forms as well as significance and purpose of their colours and scents. Thus it becomes comprehensible why blossoms are so differently structured, how self pollination is avoided and which evolutionary achievement is behind the symbiotic interaction between blossoms and pollinators. Pollination is a “deal“: the plant offers the insects nectar in exchange for the transport of the pollen. Prerequisite for this is the mutual adaptation process of the blossom to the mouthparts of the insect and vice versa. That cheating goes on during this “business relationship” between plant and animal is illustrated with the example of flower mimesis. The perfect way in which blossoms succeed in attracting insects without offering them nectar in return is another highlight of this film. Together with the extensive accompanying material the DVD is perfectly suited for use in the classroom.
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New Species in our Environment
More and more animal and plant species successfully spread far away from their original homes. They are organisms that with our assistance – or even alone – are disseminated further and further across the globe: they are called invasive species.
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