If you have legally obtained the original files but want to create your own personal "repack" for offline organization, here is how to build the ideal folder structure:
馃搧 Biologia_Geologia_3ESO_Santillana_REPACK biologia y geologia santillana 3 eso pdf repack
Pro tip: Use a PDF combiner tool (like Adobe Acrobat or free PDFSam) to merge all unit files into one searchable document. Add bookmarks for each tema and sub-tema. If you have legally obtained the original files
Before searching for a repack, it is vital to understand the standard units covered in the 3rd year of ESO according to Santillana鈥檚 edition (usually the Serie Observa or Construyendo Mundos). The core topics include: 馃搧 02_Libro_Profesor
Santillana books always end each unit with 5-6 synthesis questions. In any good repack, highlight these. They are almost identical to exam questions, especially the evaluaci贸n de diagn贸stico.
In units about geology, Santillana includes practicals: C贸mo identificar minerales (identifying minerals) or C贸mo interpretar un mapa topogr谩fico. These are classic PISA-test style questions.
If you absolutely cannot access a Santillana repack, here are equivalent free or low-cost resources for 3 ESO level: