Diffraction of waves and Huygens' principle Animation Play

Diffraction of waves and Huygens' Principle Student activity Play

Diffraction of waves and Huygens' principle Slideshow Play

Diffraction of waves and Huygens' principle Whiteboard exercise Play

Effect of gravitation on a beam of light Student activity Play

Electron spin. Pauli's exclusion principle Student activity Play

Energy equivalence of fuels Illustration Play

Equivalence principle Simulation Play

Equivalence principle Whiteboard exercise Play

Equivalence principle Student activity Play

Exceptions to the Hardy–Weinberg principle Slideshow Play

Exceptions to the Hardy–Weinberg principle Student activity Play

Fermat's principle Student activity Play

Fermat's Principle Simulation Play

Fermat's Principle Whiteboard exercise Play

Fermat's Principle Student activity Play

Fermat's principle Simulation Play

Fermat's Principle Simulation Play

Fermat's principle Whiteboard exercise Play

Fermat's Principle and the law of reflection of light Animation Play

Five billiard balls collisions Whiteboard exercise Play

Floating bodies Whiteboard presentation Play

Floating bodies Class activity Play

Floating on the surface Animation Play

Floating on the surface Student activity Play