Avogadro's number Student activity Play

Bacterial culture on a solid medium Animation Play

Balance Simulation Play

Balance Whiteboard exercise Play

Balance Student activity Play

Bases (2) Student activity Play

Basic properties of alkali metal oxides Animation Play

Basic properties of matter Whiteboard presentation Play

Basic properties of matter Class activity Play

Biogas Slideshow Play

Biogas and biofuels Student activity Play

Biologically important transition metal complexes Whiteboard exercise Play

Biologically important transition metal complexes Student activity Play

Boiling point Student activity Play

Boiling point of alkanes Student activity Play

Boiling points of straight-chain alkanes and cycloalkanes Animation Play

Born-Haber cycle Student activity Play

Born–Haber cycle for sodium chloride Animation Play

Brittleness test Simulation Play

Buffer Animation Play

Building 3-D objects with cubes Whiteboard exercise Play

Building 3-D objects with cubes Student activity Play

Calculating surface area Animation Play

Calculating the mass of metal deposited during electrolysis Animation Play

Calculating the quantity of product obtained during electrolysis Student activity Play