Attraction between current-carrying conductors Animation Play

Audibility range Student activity Play

Audibility range Simulation Play

Audibility range Whiteboard exercise Play

Bats Animation Play

Beats Simulation Play

Beats Whiteboard exercise Play

Beats Student activity Play

Beats Animation Play

Beats Student activity Play

Beats Simulation Play

Beer–Lambert law Animation Play

Body waves: longitudinal P-wave and transverse S-wave Animation Play

Bohr's atomic model Animation Play

Bottles Animation Play

Bremsstrahlung Animation Play

Bremsstrahlung (braking radiation) Student activity Play

Bremsstrahlung (braking radiation) Whiteboard exercise Play

Brushes and commutator Whiteboard exercise Play

Brushes and commutator Student activity Play

Change in frequency Student activity Play

Change in frequency Whiteboard exercise Play

Circles on water Animation Play

Circular waves Slideshow Play

Circular waves Student activity Play