Currently, the number of foreign students at Russian universities is increasing. Some of them have been studying in Russian since the first year. At the preparatory department of the Pirogov Russian National Research Medical University, students study Russian, physics, chemistry, biology. At the physics department, students not only repeat the school physics course, but also form a scientific style of Russian speech. Learning without the use of an intermediary language stimulates the development of communication. While studying at the preparatory department, students gradually move from physical terms to scientific formulations. The article discusses some methodological techniques for teaching physics in Russian to foreign students of the preparatory department.