This textbook investigates the fundamental principles of physics and chemistry required for the second year of secondary education (ESO) within the bilingual curriculum of Andalusia. The authors utilize a structured pedagogical framework designed to integrate scientific concepts with English language acquisition, ensuring students master core curriculum standards while developing technical vocabulary.

Educators frequently utilize this text as a primary resource for bilingual science instruction in Spanish secondary schools. Experts note that the content is calibrated to meet specific regional educational standards while maintaining a clear, accessible linguistic level for students learning science in a second language.