Tips for teaching online as covid 19 took hold

Spanish Cabinet declared on Saturday 14th of March 2020, state of alarm in Span to slow coronavirus COVID-19 spread and the universities were closed. Later, lecturers were forced to turn to remote teaching in a short period of time. The transition required time and patience to learn the technology, i. e. Microsoft Teams, and identify the best teaching tactics for our chemistry and construction materials. Every day, we gave lecture with new contents and exercises by using Microsoft Teams. In our opinion, there is an essential tip: seek continuous feedback from students. Students need questions to know what they have learnt. In addition, we asked for feedback to improve the class and to make sure they understood the knowledge base. We should have into account that the biggest risk is that we could become a talking instrument teaching concepts that students are not following. In this case, students give up