IB3 min read
Why IB Chemistry Structure 3 trips up SL and HL candidates
IB Chemistry Structure 3: Classification of Matter explained with syllabus mapping, Paper 1 MCQ patterns, common pitfalls, and a four-week revision plan for SL and HL.
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IB guides, IA / EE notes and exam strategies
From Internal Assessment and Extended Essay examples to HL/SL course guides, we share content here that makes the IB Diploma Programme journey easier.
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IB3 min read
Why reactions happen: reading the IB Chemistry Reactivity 1 guide
Thermodynamics answers will it react; kinetics answers how fast. Where Gibbs free energy, collision theory and catalysts appear in Paper 1 and Paper 2.
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Why IB Chemistry Structure 2 demands a different answer style for a 7
How a 5-level bonding answer becomes a 7: model, evidence, prediction, explanation. Written against the pre-2025 Chemistry guide and kept for reference.
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How to read Structure 1 in IB Chemistry
IB Chemistry Structure 1 explained: how models of the particulate nature of matter drive Paper 1 marks, with preparation strategy for SL and HL candidates.
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3 ESS Paper 1 time traps that erase 15 marks before Section B begins
Three to five stimulus questions, 1-3 marks each, set the tone for the whole script. Why answering from memory caps the band, and how long to spend on them.
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ESS cross-disciplinary vocabulary: terminology for IB Diploma 5s to 6s
Succession, trophic level and natural capital mean something narrower in ESS than in biology or geography. The terms Paper 2 marks for precision.
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How to write an ESS IA that reaches Level 6 or 7
The IA is 25% of the grade and marks Personal Engagement, Exploration, Analysis, Evaluation - not data accuracy. Where fieldwork reports lose bands.
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IB ESS Paper 1 and 2: why reading strategy beats content knowledge
Question stems before the stimulus: 90 seconds that tell you which variables matter. How to trace axes and command terms in Section A before you write.
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IB ESS: the 4 statistical tools that separate 5s from 6s and 7s
IB ESS quantitative skills gaps cost candidates marks in Paper 1 Section B and the IA. Discover the 4 statistical tools ESS examiners test directly and how to build them with ESS data.
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