 | This solar pendulum demonstrates different scientific principles : Concentration of sunlight rays with reflectors Greenhouse effect and absorption of solar radiation by dark colours Expansion and contraction of water due to temperature changes Transformation of solar thermal energy ... »
pendulum, sunlight, rays, reflectors, greenhouse
| | Note |  | | Difficulté |  | | Durée | 3h 0 min. | | Date | 14.05.2013 | | Langue(s) | français deutsch english |
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 | This projects helps to understand how a wind generator works and more generally how it is possible to transform mecanical energy into electricity. This principle can be found in many devices that we use every day (bicycle dynamo, car alternator, etc.) and is the way we produce most of our ... »
generator, transform, bicycle, dynamo, alternator
| | Note | | | Difficulté | | | Durée | 3h 30 min. | | Date | 14.05.2013 | | Langue(s) | français deutsch english |
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 | The construction of a small steam engine helps to understand how this technology can tranform heat into a mouvement. If some water is heated in a closed container and evaporates, a pressure is created inside. This pressure is due to the increase of water volume during its transformation into ... »
steam, heated, container, evaporates, turbine
| | Note |  | | Difficulté |  | | Durée | 2h 30 min. | | Date | 14.05.2013 | | Langue(s) | français deutsch english |
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 | Building a steamboat helps to understand how it is possible to tranform heat into a mouvement. If some water is heated in a closed container and evaporates, a pressure is created inside. This pressure is due to the increase of water volume during its transformation into steam (steam takes about ... »
steamboat, heated, container, evaporates, steam
| | Note | | | Difficulté | | | Durée | 3h 0 min. | | Date | 14.05.2013 | | Langue(s) | français deutsch english |
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 | This DIYs project helps to understand how hydroelectric plants work and generally how a mechanical movement can be transformed into electricity. With this DIYs project, children build the entire system including the coper reels, a disc with magnets and a turbine. When the magnets will move ... »
hydroelectric, magnets, turbine, bicycle, alternators
| | Note | | | Difficulté | | | Durée | 3h 0 min. | | Date | 14.05.2013 | | Langue(s) | français deutsch english |
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