It is hereby certified that Lefteris Kemanes has successfully attended and completed the course: Eur2.1: Science for all. Series of experiments for children using simple materials

which is offered by Mathesis MOOCs, developed in Crete University Press of the Foundation for Research and Technology - Hellas, with the lecturer Mrs Tina Nantsou, teacher at the Hill School.

The duration of the course was seven weeks with an estimated study time of 30 hours needed to complete the course. The period of attendance and completion of the course was from 25/3/2020 to 31/8/2020. This course is offered via the platform OpenEdX/gr of Mathesis in compliance with all established technical and educational specifications. The assessment procedure is based on the honour code by which the participants commit to abide. The responsibility for the content of the course and its assessment lies exclusively with the lecturer.