— This paper presents a remote lab designed for teaching the Archimedes’ principle to secondary school students, as well as an online virtual lab on the general domain of buoyancy. The Archimedes remote lab is integrated into WebLabDeusto. Both labs are promoted for usage in frame of the GoLab European project. Keywords: Remote labs, virtual labs, Archimedes’ principle, buoyancy, secondary school education ’ Archimedes’ ’ ’ “ s” des’ principle – – Archimedes’ principle Archimedes’ principle l -)))