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Printmaking simplified

This DIYs project demonstrates the principles of printmaking.   Without the tools or materials used for linocut, this DIYs project creates prints that children can still be proud of.   As the materials used are very simple and inexpensive, it is possible to create a great number of prints and ... »
inexpensive, geneva, curious
Note
Difficulté
Durée1h 0 min.
Date20.06.2014
Langue(s)
français english

Steam engine

The construction of a small steam engine helps to understand how this technology can tranform heat into a mouvement.   If some water is heated in a closed container and evaporates, a pressure is created inside. This pressure is due to the increase of water volume during its transformation into ... »
steam, heated, container, evaporates, turbine
Note
Difficulté
Durée2h 30 min.
Date14.05.2013
Langue(s)

Steamboat

Building a steamboat helps to understand how it is possible to tranform heat into a mouvement. If some water is heated in a closed container and evaporates, a pressure is created inside. This pressure is due to the increase of water volume during its transformation into steam (steam takes about ... »
steamboat, heated, container, evaporates, steam
Note
Difficulté
Durée3h 0 min.
Date14.05.2013
Langue(s)

Pet-Star water rocket car

The Pet Star water rocket car is an environmental friendly vehicle.   A Pet bottle is used to stock air and water. The air is pressurised with a bicycle pump . The water is expelled because of this great pressure and pushes the car forward (action<>reaction principle).   This DIYs project helps to ... »
rocket, pressurised, bicycle, pump, pushes
Note
Difficulté
Durée10h 0 min.
Date06.05.2013
Langue(s)
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