Orders of magnitude, estimation and analogy in Chemistry... How do you convey to your students the scale of numbers indicated by the mole? One way is to use an analogy I've often introduced the mole using an analogy and have used many examples over the years. Here's a selection you may want to consider... Raindrops We'll change this to cubic kilometres using a conversion factor... The volume of 1 mole of raindrops will be 24 million cubic kilometres. The estimated volume of

Simply Maths Triangular numbers are a sequence of numbers that can be represented as equilateral triangles. The nth triangular number is...

Answering 6-mark questions and extended writing responses in science exams requires a structured approach and careful attention to...

AS P1 June 2017 Q4 Part of a series looking at past AQA AS-level Chemistry questions. If you haven't gone through the question/paper,...

AS P1 June 2017 Q3 Part of a series looking at past AQA AS-level Chemistry questions. If you haven't gone through the question/paper,...

AS P1 June 2017 Q2 Part of a series looking at past AQA AS-level Chemistry questions. If you haven't gone through the question/paper,...

AS P1 June 2017 Q1 Part of a series looking at past AQA AS-level Chemistry questions. If you haven't gone through the question/paper,...

We’ve all been there… we all know the struggle of trying to absorb and retain large amounts of information. Whether it's for an upcoming...

P3 June 2017 Q24 This question is about Stereoisomerism If you haven't gone through the paper, please look up the questions at...

P3 June 2017 Q20 This question is about Equilibrium and Kp If you haven't gone through the paper, please look up the questions at...

P3 June 2017 Q18 This question is about a polymer If you haven't gone through the paper, please look up the questions at www.aqa.org.uk,...

P3 June 2017 Q15 This question is about cisplatin and isomers If you haven't gone through the paper, please look up the questions at...

P3 June 2017 Q14 This question is about organic mechanisms If you haven't gone through the paper, please look up the questions at...

P3 June 2017 Q13 This question is about racemates If you haven't gone through the paper, please look up the questions at www.aqa.org.uk,...

P3 June 2017 Q12 This question is about IR Spectra If you haven't gone through the paper, please look up the questions at www.aqa.org.uk,...

P3 June 2017 Q10 This question is about hydrogen ion concentration and pH If you haven't gone through the paper, please look up the...

P3 June 2017 Q9 This question is about hydrogen ion concentration If you haven't gone through the paper, please look up the questions at...

P3 June 2017 Q8 This question is about Cracking If you haven't gone through the paper, please look up the questions at www.aqa.org.uk, or...

P3 June 2017 Q7 This question is about Transition Metals If you haven't gone through the paper, please look up the questions at...

P3 June 2017 Q6 This question is about melting points across period 3 If you haven't gone through the paper, please look up the questions...