La plate-forme collaborative de bricolages scientifiques et pédagogiques
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Bicycle magnetic headlight

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
Note
Difficulté
Durée3h 0 min.
Date22.07.2022
Langue(s)

A disc to predict week days

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
Note
Difficulté
Durée0h 30 min.
Date21.07.2022
Langue(s)
français english

Water rocket

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
Note
Difficulté
Durée3h 0 min.
Date20.07.2022
Langue(s)

Perpetual calendar

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
Note
Difficulté
Durée2h 0 min.
Date20.07.2022
Langue(s)

Electroquiz

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
Note
Difficulté
Durée2h 0 min.
Date20.07.2022
Langue(s)
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