Stefan-Boltzmann Law Whiteboard exercise Play

Stefan–Boltzmann Law Student activity Play

Stellar radiation Simulation Play

Stellar radiation Animation Play

Stellar radiation Whiteboard exercise Play

Stellar radiation Student activity Play

Structure of an atom Class activity Play

Structure of an atom Whiteboard presentation Play

The absorption of radiation by matter Animation Play

The absorption spectra of chlorophylls a and b Animation Play

The action spectrum of photosynthesis Illustration Play

The atomic spectrum of an element Animation Play

The atomic spectrum of hydrogen Animation Play

The brightness of stars Student activity Play

The brightness of stars Whiteboard exercise Play

The contribution of the greenhouse effect to global warming Animation Play

The discovery of X-rays Student activity Play

The division of electromagnetic waves Student activity Play

The division of electromagnetic waves Chart Play

The division of electromagnetic waves Whiteboard exercise Play

The electromagnetic spectrum Animation Play

The electromagnetic spectrum Student activity Play

The electron microscope Student activity Play

The energy from inside the Earth Slideshow Play

The energy of decay Animation Play