States of Aggregation
46503480 / 55502972
States of Aggregation
Solid, Liquid, Gaseous
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. The snow cover is not always uniform but sometimes shows varied structures of snow and ice crystals as well. Snow is frozen rain, that is, precipitation falling from the clouds. Clouds, in turn, consist of gaseous water vapour which transforms into precipitation in certain conditions. Where the sun shines and temperatures rise again, snow and ice begin to melt. Thaw sets in, and snow and ice change into water again. But snow and ice can also exist simultaneously. Even at high minus temperatures, streams and rivers still carry water. On their banks, exciting ice formations can develop as a result. Stagnant waters, such as lakes and ponds, however, tend to freeze because the water in them hardly moves. The solid, liquid and gaseous states are the three classic aggregate states. We encounter the interplay between water vapour, liquid water and ice in many situations. Complex physical processes lie behind it. Let us take a closer look at them now.
Play trailer
Curriculum-centred and oriented towards educational standards
Matching
Computer Games
This film covers the topic of computer games in a variety of ways and from many different angles. Apart from the fascina- tion of computer games for users, the historical development as well as the production of computer games are described. The established genres are introduced, the guidelines of the German BPjM are explained. In light of recent public discussions, a neutral overview of the pros and cons of playing computer games is given, and different kinds of player behaviour are outlined. In this film, the pupils will recognise many aspects of their favourite pastime that encourage an independent, constructive use of this medium and reinforce their media competency. The film and teaching material are very closely related to the real-life situation.
Ideals of Beauty
1. What Is Beautiful?
Ceramic
Ceramics are indispensable in our everyday lives. We eat from ceramic plates, drink from ceramic cups, use tiled ceramic bathrooms. But how is ceramic manufactured? The film reveals the secrets of this fascinating material! We get to know more about the beginnings of ceramic in the Old World of Egypt and Mesopotamia, about Greece, China and Rome. We gain interesting insights into the valuable earthenware and are also shown the exquisite further development of the "white gold". Today this versatile material is irreplaceable in industry, too. Whether in space or as an easily compatible substitute in medicine, ceramic is applied in many places.