Demonstrate and evaluate lab activity about antimicrobial sensitivity.

Lab activities in primary and secondary education are essential to promote students' scientific skills. In this article, we propose a lab activity where different antimicrobial agents are used to the microorganisms' susceptibility to them. Moreover, we produce a rubric, a scoring tool, to quantify students' replies and evaluate the whole activity. We concluded that using the scoring rubric, we have been able to evaluate students' replies and students' benefit. [ABSTRACT FROM AUTHOR]