Capital Greek letter sigma, in neon

Summation and the sigma notation

14 September 2017By

Paul Yates applies this handy shorthand to chemistry calculations in mass and enthalpy

Mathematical equations on a blackboard

Approximations in chemistry

21 April 2017By

Making calculations easier


Changing the subject

29 September 2016By

Fraser Scott gives some insight into rearranging equations


Reflecting on symmetry

13 May 2016By

Paul Yates translates this geometric concept onto molecular structures


Solving simultaneous equations

9 November 2015By

Paul Yates discusses how to solve them and their applications


A sense of proportion

11 May 2015By

Paul Yates discusses a problem of relationships

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A picture of hazards pictograms on brightly coloured tubes

How to make lab work safe

29 January 2019By

Encourage students to assess risk effectively

A picture showing a blackboard with chemical formulas written in white chalk

Chemical formulas and equations

22 January 2019By

What is the point of chemical equations?

Boiling jam and thermometer in a saice[am

Monitoring reactions

5 December 2018By

Encourage students to observe and measure reactions

Coffee filter

Separation techniques

26 November 2018By

Distilling the essentials of separation

Lemon slices

Acids, bases and salts

10 October 2018By

Ideas, resources and activities for your classroom

Pink and white marshmallows

Elements and compounds

3 September 2018By

Top tips for 11–14 chemistry lessons

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