Blog
Covering the mandatory practical areas during lockdown Free
With the omicron variant now spreading rapidly through many countries there is real concern that many schools will be finding themselves in lockdown due to Covid yet again. One of the parts of the syllabus...
Blog
Greenhouse gas bulletin and COP26 Free
A useful source of data for both EEs and IAs is the Greenhouse Gas Bulletin which is published annually. The latest publication (which came out today, just one week before the start of COP26 in Glasgow)...
Blog
Testing concepts using the H3+ ion Free
The trihydrogen cation is one of the most abundant molecular species in the universe. It is also one of the simplest and yet nowhere does it appear on the IB syllabus. Model of the H3+ ion For a bit...
Blog
“The Strangest Man” Free
Teachers in the Northern Hemisphere are hopefully enjoying a summer vacation and recharging their batteries after a stressful Covid-dominated year. For a relaxing and yet very informal and informative...
Blog
Preparing for the May 2021 results Free
Next week, on Monday 5th July, the May 2021 IB Diploma results are being released to schools (students will receive their results the next day). As with many other areas of life, education has suffered...
Blog
Thinking through multiple choice questions Free
Consider a very simple question, What does two plus two make? The obvious correct answer is four. Most people will arrive at four by simple addition using the equation 2 + 2 = 4 but in fact the answer...
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Blog
The dangers of “forever chemicals” to firefighters Free
The IB covers halogenoalkanes at both SL and HL in Topic 10 Halogenoalkanes & benzene but restricts the coverage to chloro-, bromo-and iodoalkanes. This is because the C−F bond (492 kJ mol−1) is so much...
eBook
Option A
The Chalcolithic Age, an era between the Stone Age and the Bronze Age, involved the use of copper for tools but they were generally only possessed by the higher members of society and, unlike stone and...
Blog
Asessement of IB DP Chemistry for May 2021 Free
There is some confusion on social media about the arrangements the IB have put in place for the May 2021 assessment process as it very much depends upon which country you are based in. I've made some...
Blog
What home schooling is showing Free
Good parents will ask their children what they have been doing in school and help them with homework etc. etc. However until now most parents will not have looked in detail at what their children are...