Finding the time of electrolysis necessary to yield a given amount of product Animation Play

Force consistent with the direction of the movement Animation Play

Formula based calculations Whiteboard presentation Play

Formula based calculations Class activity Play

Group trends Student activity Play

Group trends Whiteboard exercise Play

Haloalkanes (3) Student activity Play

Haloalkanes (3) Whiteboard exercise Play

How easy is it to determine the coefficient of friction? Student activity Play

How easy is it to determine the coefficient of friction? Whiteboard exercise Play

How to calculate the percentage abundance of isotopes Animation Play

How to calculate the volume of prism Animation Play

How to perform calculations using memory buttons Whiteboard exercise Play

How to perform calculations using memory buttons Student activity Play

How to resolve a force into components Animation Play

Hydroxide ions concentration calculations Animation Play

Is it easy to distinguish between a physical change and a chemical change? Student activity Play

Isotope abundance Student activity Play

Logarithms Animation Play

Logarithms in chemistry Whiteboard exercise Play

Logarithms in chemistry Student activity Play

Logarithms in chemistry Whiteboard exercise Play

Mental calculations Student activity Play

Molar volume (2) Student activity Play

More complex examples in factorising by completing the square Student activity Play