Extracurricular activities and excursions are important forms of organization of the training process for biology and chemistry subjects. They have an inter- and transdisciplinary character, because due to them are solved such issues related to environmental protection, to the various phenomena that occur in nature, to the biotic and abiotic factors that influence their development. In the frameworks of these forms of training takes place the polytechnic education, the purpose of which is to vocational guidance of pupils.