On December 12, 2022, within the framework of the week of subjects of general education, an intellectual game "Crossroads of Sciences" was held on chemistry and biology. It was attended by groups 147, 161, 181 and students of the "Specialized boarding school-college of the North Kazakhstan regional Olympic reserve". The purpose of the game was to expand the mind, to contribute to the formation of logical thinking and reasoning skills. The intellectual struggle brought a lot of positive emotions to the participants, pupils and students showed high knowledge and skill in solving non-standard problems.