 | 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 into ... »
pendulum, sunlight, rays, reflectors, greenhouse
| | Note |  | | Difficulté |  | | Durée | 3h 0 min. | | Date | 27.11.2013 | | Langue(s) | |
|
 | The construction of wind or water turbines connected to a small generator (alternator) allows to experiment two different ways of transforming motion into electricity.Most power plants in the World produce the movement required to opterate the alternator by heating water with coal, natural ... »
turbines, generator, alternator, experiment, transforming
| | Note | | | Difficulté |  | | Durée | 2h 0 min. | | Date | 05.11.2013 | | Langue(s) | |
|
 | Building a Faraday torch helps to understand how it is possible to produce electricity from a magnet, a copper coil and a movement. The same principle is used in most electricity plants. Depending on the plant, the movement is produced by different means (for instance by transferring the ... »
faraday, torch, magnet, coil, transferring
| | Note |  | | Difficulté | | | Durée | 4h 0 min. | | Date | 07.06.2013 | | Langue(s) | |
|
 | This Indian lighthouse DIYs project helps to understand how it is possible to produce electricity from a magnet, a copper coil and a movement. The same principle is used in most electricity plants. Depending on the plant, the movement is produced by different means (for instance by transferring ... »
magnet, coil, transferring, steam, turbines
| | Note | | | Difficulté |  | | Durée | 2h 30 min. | | Date | 31.05.2013 | | Langue(s) | |
|
 | Building a parabolic solar grill helps to understand the principle of sunlight concentration. This technique is already used in experimental solar power plants. Parabolic mirrors focus the Sun's rays on black pipes in which water circulates. The heated water expands and turns into steam ... »
parabolic, sunlight, mirrors, rays, pipes
| | Note |  | | Difficulté | | | Durée | 0h 30 min. | | Date | 31.05.2013 | | Langue(s) | |
|
|
