What's the Best Way to Revise MYP Chemistry?

Revise criterion by criterion, not chapter by chapter. Split your time across Knowing and Understanding (key vocabulary, models, equations), Inquiring and Designing (variables, hypotheses), Processing and Evaluating (graphs, error analysis) and Reflecting on Impacts (real-world consequences) — because that's exactly how your teacher marks your work.

Criterion A rewards recall plus application — command terms like 'describe', 'explain' and 'apply' each demand different depth. Build a glossary of key terms per unit (mole, empirical formula, exothermic), then practise applying them to unfamiliar contexts, since examiners rarely reward a bare definition without application.

Criterion B (Inquiring and Designing) marks your hypothesis, variables and method; Criterion C (Processing and Evaluating) marks your data handling and conclusion. The single biggest mark-loss I see is a hypothesis with no scientific reasoning — always explain why you predict that outcome, not just what you predict.

Stop reading passively seven days out and start active recall: past questions, a blank periodic table labelled from memory, and timed practice on graph and calculation questions. Students who complete three timed practice papers before a test consistently score higher than those who only reread notes.

MYP Chemistry is graded against four criteria, each marked out of 8 (32 total), then converted to a 1-7 grade using IB grade-boundary descriptors — not a raw percentage. A total of 28-32 typically converts to a 7, while 19-23 sits in the 5 band, though schools set task-specific clarifications each unit.

A 6 or 7 is realistic if you consistently hit the top achievement bands (7-8 marks) across all four criteria, especially Criterion C, where most students lose marks on evaluation and improvements. A 5 is solid; a 6 needs precision in your written responses; a 7 needs genuine independent scientific thinking.

Most struggle not with the chemistry itself but with Criterion C — processing data, calculating percentage error, and writing an evaluation that actually critiques the method rather than describing it. The mole concept and stoichiometry calculations in MYP 4-5 are usually the first genuinely abstract-maths hurdle students hit in science.

Most schools assess MYP Chemistry through internally marked coursework and unit tests against the four criteria, not one final exam — though some schools opt into the IB's on-screen MYP eAssessment in Year 5. According to the IB, the on-screen MYP eAssessment has run as an optional external assessment since 2016.

MYP 4-5 Chemistry typically covers atomic structure and the periodic table, chemical bonding, stoichiometry and the mole concept, acids and bases, rates of reaction, and energetics — organised into units mapped to the MYP Sciences guide's four criteria rather than a fixed topic list like DP Chemistry uses.

MYP Chemistry builds the mole concept, bonding models and lab-report skills that DP Chemistry assumes from day one — DP moves straight into detailed stoichiometric calculations without re-teaching the basics. Students who leave MYP shaky on moles or significant figures usually spend their first DP term catching up instead of learning new content.

If your child scored consistently in the 5-7 range across MYP Chemistry criteria and enjoys calculation-heavy problem-solving, DP Chemistry (SL or HL) is a reasonable next step. If Criterion C evaluation work was consistently weak, that's worth addressing now — it's the same skill DP's Internal Assessment demands, just at a higher level.

The resources that move the needle are organised by criteria, not just topic — practice questions with mark schemes showing what a level 7-8 answer looks like, topical worksheets for calculation practice, and concise notes per unit. On RevisionPrep, MYP Chemistry materials are structured exactly that way rather than as generic study guides.

It's worth it if the resource saves time and targets the actual marking criteria — a well-organised question bank with mark schemes can replace hours spent hunting for practice questions online. It's not worth it if it's a repackaged textbook; check that any resource maps explicitly to the four MYP Sciences criteria before paying.