Abstract
Science process skills the ability to compute some variables and to work with measured values, tables and charts. According to PISA 2015 Czech pupils had worse results in these abilities.
This research examines if natural sciences tasks have the potential to develop these skills. It focuses on the biological tasks in worksheets.
Especially the number and type of tasks requiring numerical computations and quantitative reasoning are mapped. The analysis has shown that this type of tasks is various however it occurs in a low frequency.