Observation of the Universe Whiteboard exercise Play

Permeability and absorption of X-rays Student activity Play

Quality factor Chart Play

Radiation Animation Play

Radioactivity Student activity Play

Roentgen spectra of elements – characteristic radiation Student activity Play

Rupture of the DNA molecule Slideshow Play

Scanning electron microscope Slideshow Play

Sources of radiation Student activity Play

Spectrum of electromagnetic radiation Illustration Play

Spectrum of electromagnetic waves Illustration Play

Sulphates(VI) of Group 1 and 2 metals Student activity Play

The discovery of X-rays Student activity Play

The division of electromagnetic waves Chart Play

The division of electromagnetic waves Whiteboard exercise Play

The division of electromagnetic waves Student activity Play

The electron microscope Student activity Play

The instruments used for observation of the sky Slideshow Play

The phenomenon of radiation Student activity Play

The ranges of electromagnetic waves Animation Play

The ranges of electromagnetic waves Class activity Play

The ranges of electromagnetic waves Whiteboard presentation Play

Tuberculosis – a widespread disease Student activity Play

Tuberculosis – the course of the disease Slideshow Play

Visible light in the electromagnetic spectrum Animation Play