 | Bulding a bicycle electricity generator helps to understand how it is possible to produce electricity from a magnet, a copper wire coil and a movement. This technique found in traditional bicycle dynamos is also used in electric power stations. Unfortunately less bicycles are equiped with ... »
bicycle, generator, magnet, wire, coil
| | Rating |  | | Difficulty |  | | Duration | 3h 0 min. | | Date | 22.07.2022 | | Language | |
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 | With this 'magic disc', it is possible to know in advance the days of the week of all dates until 2055! So it is possible to check the days of the week of your birthdays or of public holidays. Leap years (February with 29 days instead of 28) have been taken into account. This project was developped for ... »
geneva
| | Rating | | | Difficulty |  | | Duration | 0h 30 min. | | Date | 21.07.2022 | | Language | |
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 | This water rocket project shows how you can stock energy and illustrates the action-reaction principle. With the help of a bicycle pump, air is compressed in a tank (bottle) containing some water. By releasing the air, the water is expelled and the rocket is launched high in the air. To optimize ... »
rocket, illustrates, bicycle, pump, compressed
| | Rating |  | | Difficulty |  | | Duration | 3h 0 min. | | Date | 20.07.2022 | | Language | |
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 | This calendar indicates the day of the week of every date between 1600 and 2299. With it, you can know what day of the week you were born or if you will have the chance to celebrate your 50th anniversary on a Saturday. This project can be part of the study of calenders from the astronomical or ... »
astronomical
| | Rating | | | Difficulty |  | | Duration | 2h 0 min. | | Date | 20.07.2022 | | Language | |
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 | Building an electroquiz is a good way to experiment simple electrical connections. This project is not only technical, the question & answer part can exercise different skills (writing, spelling, drawing, general knowledge, calculation,...).... »
experiment, calculation
| | Rating |  | | Difficulty |  | | Duration | 2h 0 min. | | Date | 20.07.2022 | | Language | |
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