In this contribution, we present a set of Geogebra activities used in several introductory courses on Classical mechanics, Special relativity, Introductory course to cosmology and within the courses for non-physics majors (Physics for chemists, Physics for biologists). Examples include various oscillations, curvilinear coordinates, solutions of equations of motion, basic types of Minkowski spacetime diagrams and the effective potential for the dynamic of basic cosmological models. All the activities include basic interactivity and the possibility to play with selected parameters. They are used within the classrooms and shared with the students via links in the Moodle LMS platform together with other supporting materials.