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Chemical battery

Making a battery helps to understand how a chemical reaction can produce electricity. It shows also that in a battery there is no real stock of electricity, but the chemical products needed to generate some. It is important to understand how batteries work as they are more and more used in our daily ... »
batteries, pads, polluting, kilowatt-hour, mains
Note
Difficulté
Durée3h 0 min.
Date16.05.2013
Langue(s)

Hydroelectric power plant 2

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
Durée3h 0 min.
Date14.05.2013
Langue(s)

Solar electric motor

This project helps to understand how an electric motor works (how it is possible to create a movement with electricity). Many electrical appliances use this technique  (mixer, cd player, hair dryer, etc.). By generating electricity from the Sun, this DIY shows that there are alternative energy ... »
motor, appliances, dryer, generating, renewable
Note
Difficulté
Durée3h 0 min.
Date13.05.2013
Langue(s)

Thermometer and monitoring board

In order to adjust a central heating and save energy, room temperatures must be measured with a thermometer.   The thermometer was invented in the 17th century and its working principle is still used today. Household thermometers contain, inside a glass tube, a small amount of coloured alcohol ... »
adjust, thermometer, thermometers, tube, expands
Note
Difficulté
Durée2h 0 min.
Date08.05.2013
Langue(s)

Anti-monster flash light & buzzer

Building this very special Anti-monster flash light & buzzer is a nice way to experiment an electrical circuit a bit more complex than the usual battery/bulb/switch one.   Beware that once completed, this is a very noisy device...   This DIYs project uses a very energy efficient ... »
flash, experiment, bulb, noisy, emitting
Note
Difficulté
Durée2h 0 min.
Date03.05.2013
Langue(s)
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