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International-Mindedness in Science Free
2020 has been a difficult year for the whole world due to Covid-19. Despite all the sad deaths, economic and educational hardship suffered, one shining example of the human spirit has emerged. Collaboration,...
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Persistent organic pollutants Free
The effects of xenobiotics are covered both in Option B Biochemistry & the environment and in Option A Environmental impact - plastics. The presence of persistent organic pollutants (POPs) in the common...
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Update on the implementation of the new programme Free
With all the uncertainty and extra pressure on schools, teachers and students caused by the Covid-19 pandemic, which seems likely to continue for some considerable time yet, the IB has announced a delay...
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Update: Removal of the Options for May 2021 examination Free
UPDATED September 2020 :Many teachers in the Northern Hemisphere have already started or are about to start teaching the second year soon with their IB students either face-to-face or virtually. The IB...
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Delivering distance learning Free
In these unprecedented Covid-19 times schools in some countries are beginning to reopen whereas in other parts of the world they remain firmly closed. Different countries have different experiences of...
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IB Updates Free
It is important to know and follow the official announcements from the IB about how the current pandemic affects the cancelled examination session in May 2020. This can be found at https://www.ibo.org/news/news-about-the-ib/covid-19-coronavirus-updates/...
eBook
Electrochemistry, rechargeable batteries & fuel cells answers
1. (a) Lead metal(b) Anode (−): Pb + SO42− ⟶ PbSO4 + 2e−Cathode (+): PbO2 + 4H+ + SO42− + 2e− ⟶ PbSO4 + 2H2OOverall reaction: Pb + PbO2 + 4H+ + 2SO42− ⟶ 2PbSO4 + 2H2O (c) 2PbSO4 + 2H2O ⟶ Pb + PbO2 + 4H+...
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COVID-19 and Student Access Free
Student access was set up to enable teachers to set assignments, including questions from qBank on all the topics in the core. AHL and options, and to give students access to selected pages on the site...
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Gamification & IB chemistry crossword Free
There are many articles that suggest that students learning is enhanced by playing educational games (for example, Tutor doctor's "How gaming can enhance students learning" and Learning theories' "Gamification...
eBook
Proteins & enzymes questions
1. Three 2-amino acids are aspartic acid, glutamic acid and threonine.Their structures are given in Section 33 of the IB chemistry data booklet. (a) Draw the structure of one trimer containing the residues...