This document outlines a new approach to learning physics and chemistry in English for 4th year ESO students. It explains that the class will study physics and chemistry concepts using English as the language of instruction, with the same textbooks but supplementary materials in English. While the teacher is not an English instructor, the goal is to improve students' scientific English skills through immersion without formal evaluation of their language ability. Exams will be in English to encourage using English, and students are assured it will improve their learning and language skills more than be difficult.