During this part of the activity students will make experiments in nature (nature lab) and they will be given papers to fill in. These will include :
a) the natural environment around the path from the view of different sciences.
   i) geology : students will examine the rock composition, the texture of the territory, the morphology of the region, the hydro-graphic net and the climate. Students will make use of various maps, the compass and they will measure the altitude of the area.
   ii) biology : Students will get a better understanding of the flora, the fauna, the surviving of the species, the balance of the ecosystem, the food chain, photosynthesis, breathing and degradation.
   iii) physics : Students will put into action the acquired knowledge in the class. Specifically they will make experiments on kinetics, dynamics, energy, sound, light. Also they will learn about alternative sources of energy such as photo-voltaic systems, wind generation and geothermic.
   iv) chemistry : we will make experiments with solutions, mixtures, burning, fermentation, oxidization, smell diffusion and natural coloring substances.