Acidic oxides Animation Play

Adding bases to acids Animation Play

Adding carbonates to acids Animation Play

Aliphatic amines: properties as bases Student activity Play

Aliphatic amines: properties as bases Whiteboard exercise Play

Aqueous solutions of bases Whiteboard exercise Play

Bases Whiteboard exercise Play

Bases (1) Student activity Play

Bases (2) Student activity Play

Bronsted acids and bases – summary Animation Play

Brønsted acids and bases Animation Play

Brønsted–Lowry theory of acids and bases Class activity Play

Brønsted–Lowry theory of acids and bases Whiteboard presentation Play

Chemical modification of nitrogenous bases – chemical mutagens Whiteboard exercise Play

Chemical modification of nitrogenous bases – chemical mutagens Student activity Play

Chemical structure of DNA Student activity Play

Comparing logarithms and their bases Animation Play

Conduction of an electric current by bases Simulation Play

Conjugate acids and bases Whiteboard exercise Play

Conjugate acids and bases Student activity Play

Discovering bases Whiteboard exercise Play

Discovering bases Student activity Play

Discovering matter Student activity Play

Discovering matter Whiteboard exercise Play

Discovering meiosis Slideshow Play