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Gravity

Gravity is the force that pulls something to the ground. It ensures that everything falls downwards. Like every force, it has a direction, namely towards the centre of the celestial body. The film vividly shows the development of the law of gravity from Isaac Newton through the further development by Albert Einstein, who described that gravity not only causes bodies to attract each other, but also causes space to curve around a body. Space and time are no longer absolute, fixed quantities, but changeable.

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States of Aggregation

It is winter. Snow and ice transform the landscape into a fairy tale scenery. At sub-zero temperatures, ice crystals form on branches and other objects.

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Fluids and Viscosity

Be it the honey on our breakfast toast, the water from the tap or the air surrounding us – they all have one thing in common: in a physical sense they are fluids.

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Magnetism

You cannot smell, see, hear or feel magnetic force itself. So it seems quite magical to us when a metal object can be moved by a magnet through a glass plate as if by an invisible hand, or when we can stick a piece of paper to the refrigerator door with a small magnet.

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Movie

Thermodynamik

Die klassische Physik setzt in ihrer Disziplin Thermodynamik Wärme, Druck und Volumen in Relation. Schon lange nutzen Menschen diesen Zusammenhang, um etwa mit Dampf Turbinen anzutreiben und damit Energie zu gewinnen.

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Light

"At night all cats are black." – all of you will probably know this figure of speech. Light is involved or rather a situation where little light is available.

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Movie

Elektrizität

Die Elektrifizierung bedeutete für die Menschheit einen fundamentalen Fortschritt.

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X-Radiation

They are enormously rich in energy and easily penetrate the body but in spite of this, we can neither see nor feel them: X-rays work in secret.

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Movie

Licht und Farbe

Ohne Licht würde auf unserer Erde kaum Leben existieren. Pflanzen brauchen diese elektromagentischen Wellen, um zu wachsen und durch den Vorgang der Photosynthese unter anderem Sauerstoff zu produzieren. Genauso sind Farben wesentlicher Bestandteil in der Natur und haben ihre eigene Bedeutung. Auffällige Färbungen bei Reptilien sollen Gefahr signalisieren, während ein möglichst prächtiges Federkleid bei Vögeln ihre Attraktivität steigern soll. Genau wie andere Arten reagieren auch Menschen auf Licht und Farben. „Schau dich schlau!“ zeigt, wie die beiden Komponenten eingesetzt werden, um uns Wohlbehagen zu bescheren oder uns zum Beispiel zum Kaufen zu animieren.

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Optics

This DVD offers a clearly structured overview of the field of optics with an emphasis on the following main topics: All three models, i.e. the ray theory, the wave theory and the quantum theory of light, are explained by means of selected phenomena. The pupils learn about the conditions, the principles and appearances regarding reflection and refraction and are encouraged to perform easy experiments themselves. Optics are introduced to the pupils with the help of examples from nature, road traffic and the environment. Simple optical instruments such as a magnifying glass, a camera, a microscope, an astronomic telescope and the eye are described. Further, the visible part of the electromagnetic spectrum, a line spectrum, a solar cell and a radiometer are explained in selected sections. The film is divided into six menu items (chapters), which may be individually accessed and worked on. For this purpose, additional pictures, texts or selected short film clips are offered, which can simply be called up by remote control.

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