Biogeochemical cycles Class activity Play

Biogeochemical cycles Whiteboard presentation Play

Biomass Student activity Play

Biomass fuel Animation Play

Biotic and abiotic factors in the environment Student activity Play

Blocks of elements Animation Play

Body of a sportsman – regular training makes you strong Student activity Play

Bohr model Student activity Play

Bohr orbits Animation Play

Bohr orbits Student activity Play

Bohr's atomic model Animation Play

Bohr's atomic model Whiteboard exercise Play

Bohr's atomic model Student activity Play

Bohr's theory of hydrogen atom Animation Play

Boiling Animation Play

Boiling and melting points of carboxylic acids Student activity Play

Boiling points Animation Play

Bond dissociation enthalpy Student activity Play

Bond energies for some single and multiple bonds Chart Play

Bond energy Animation Play

Born-Haber cycle Student activity Play

Born–Haber cycle Whiteboard exercise Play

Born–Haber cycle for sodium chloride Animation Play

Both time and speed change Whiteboard exercise Play

Both time and speed change Student activity Play