Bearings Student activity Play

Biological importance of hydrogen bonding Animation Play

Bitter taste Animation Play

Bond angle in the hydronium ion Whiteboard exercise Play

Brewster's angle Animation Play

Brewster's angles for different materials Illustration Play

Bronsted acids and bases – summary Animation Play

Bronsted–Lowry theory Whiteboard exercise Play

Brønsted acids and bases Animation Play

Brønsted–Lowry theory Student activity Play

Brønsted–Lowry theory of acids and bases Whiteboard presentation Play

Brønsted–Lowry theory of acids and bases Class activity Play

Buffer range Student activity Play

Buffer solutions Student activity Play

Buffering action Student activity Play

Buffering action Whiteboard exercise Play

Buffers Class activity Play

Buffers Whiteboard presentation Play

Building a proof from deductions Whiteboard exercise Play

Building a proof from deductions Student activity Play

Building the prism Simulation Play

Calculating angle between two vectors Whiteboard exercise Play

Calculating surface area Animation Play

Calculating the area of a polygon Student activity Play

Calculating the area of a triangle Student activity Play