1. % correct answer: 100

2. % correct answer: 70

3. % correct answer: 65

4. % correct answer: 0

5. % correct answer: 94

6. Probably, pupils have not understandood the word « exhaustive ».

8. % correct answer: 82

9. % correct answer:

12. The following questions were answered from a numerical scale of 1-5. Please note that 1 = not at all (no) and 5 = completely (yes)

16. Science has found and will find the solution but the development of the technical solution is a political decision

17. The following questions were answered from a numerical scale of 1-5. Please note that 1 = not at all (no) and 5 = completely (yes)

20. Question 20 : How you became more aware of the possibilities of renewable energy for the future through this project ? 1) Visit of an hydroelectric central 2) Visit of the CO2 storage near Svendborg 3) Visit of an biogas industry 4) Oral presentations 5) Conference about the hydrogen cell in Catania Pupils who have been travelling in the different countries were more aware than the others.