ASTRONOMIC OBSERVATION ACTIVITIES IN TEACHER TRAINING

Juan Espinoza González

1-16

EXAMPLE OF APPLYING A MULTIFACTORIAL LINEAR FIT TO THE MASS DEFECT EQUATION USING A SPREADSHEET

Miguel Bustamante S.

17-23

THE ROLE OF TECHNOLOGY IN MATH AND SCIENCE TEACHER TRAINING, A RENEWED PROBLEM

Guillermo Arancibia C., Mariela Carvacho B., Jorge Gaona P., Tatiana Urzúa LL., Juan Espinoza O., Monika Dockendorff, Carlos Martínez M., Paola Ramírez

24-42

ANTIOXIDANTS FROM NATURAL SOURCES AND THEIR BIOLOGICAL PROPERTIES. A REVIEW IN DEBT SINCE ELSEVIER

Camila Linares Pipon, Elisa Zúñiga Garay

43-57

ENTROPY IN PANDEMICM

Martín Contreras Slotosch

58-62