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Solar oven

This DIYs project helps to understand how the greenhouse effect can be used to 'trap' and increase the heat of the sun.   The sun's rays (short wavelengths of visible light) penetrate through the glass of the oven and heat the elements inside. When this heat is reissued as infra-red radiations ... »
greenhouse, trap, rays, wavelengths, penetrate
Note
Difficulté
Durée2h 0 min.
Date03.02.2016
Langue(s)

Solar pendulum

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
Durée3h 0 min.
Date27.11.2013
Langue(s)

Solar oven in a jar

This DIYs project of a solar oven was part of a contest organised by the Juvene Foundation and the Swiss television (RTS-découvertes) during Summer 2011. The idea was to propose an easy experiment which needed only extremely cheap and easy to find materials and which would encourage children to ... »
experiment, insulating, rays, greenhouse, panels
Note
Difficulté
Durée2h 0 min.
Date07.06.2013
Langue(s)

Solar hot water panel

The construction of a solar hot water panel helps to understand how it is possible to heat water with the Sun. The basic principle is to circulate water in a black pipe placed behind a glass exposed to the Sun. Thanks to the greenhouse effect and the black colour that absorbs most of the Sun's rays, it is ... »
circulate, pipe, greenhouse, absorbs, rays
Note
Difficulté
Durée2h 30 min.
Date31.05.2013
Langue(s)

Solar chimney

The use of sun energy is not limited to photovoltaic cells for electricity or solar thermal collectors for heating. Other ideas exist, often still experimental, like the solar chimney. A huge project of this type is planned in Australia with a tower 1 km high!   The construction of a solar chimney ... »
photovoltaic, collectors, chimney, greenhouse, absorption
Note
Difficulté
Durée3h 0 min.
Date16.05.2013
Langue(s)
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