Si quieres:
A renewed interface for secondary students, available through the Santillana Tienda Online if not provided by your school. santillanaplus.com.co Core Syllabus (2nd ESO) fisica quimica santillana 2 eso link
Many students look for the "Solucionario Física y Química 2 ESO Santillana" to check their homework. While these are intended for teachers, several educational blogs host them for study purposes. Si quieres: A renewed interface for secondary students,