Today, the decrease of bonds established with nature due to the use of technology, the increase in urbanization and the change of daily routines might affect people's attitudes and behaviours towards environment negatively. Considering that attitudes are one of the most important factors affecting behaviours, in the current study, it is aimed to…

Many students do not experience usefulness in mathematics. To address this problem, we offered them a mathematical tool, Sankey diagrams, which is a flow chart appearing in news media to visualize social, industrial or environmental processes. We carried out an Educational Design Research (EDR) to develop and evaluate lesson materials about…