Sight defects Student activity Play

Sight defects Simulation Play

Signal as an information carrier Animation Play

Signal encoding Whiteboard presentation Play

Signal encoding Class activity Play

Sizes of objects Student activity Play

Sound encoding Animation Play

Spectacles Simulation Play

Spectacles Student activity Play

Spherical mirrors Class activity Play

Spherical mirrors Class activity Play

Spherical mirrors Whiteboard presentation Play

Spherical mirrors Whiteboard presentation Play

Symmetries with respect to a line and to a point Student activity Play

Symmetry Class activity Play

Symmetry Whiteboard presentation Play

Symmetry in the coordinate system with respect to the point (0, 0) Student activity Play

Symmetry with respect to a line and rotation through 90° Student activity Play

Television Student activity Play

Television Slideshow Play

The accuracy of analogue-digital conversion Simulation Play

The accuracy of analogue-digital conversion Whiteboard exercise Play

The accuracy of analogue-digital conversion Student activity Play

The advantages of digital signals Whiteboard exercise Play

The advantages of digital signals Student activity Play