In the first educational cycle it is crucial to use as much as possible activities that will enrich the educational process, learning and teaching. This graduate thesis deals with the topic of ecological activities in the first cycle of education, their importance, role and educational component. The most important goal of this paper is to promote ecological activities that can be carried out through all elementary school subjects. The meaning of ecological activities, both in preschool and at school, is education and upbringing for the purpose of developing ecological consciousness and culture that is indispensable for life. It is also the aim of this paper to encourage young generations of educational workers to promote the ecological message by teaching it in the educational process, thinking and acting in a way that preserves nature and respects its harmony. Due to the large selection of activities that depend most on the creativity of the teacher, ecological activities have the potential to greatly improve the preservation of nature and its beauty.