Systems & Models — Complete Summary
IB full-mark checklist: name the boundary, identify storages, describe inflows/outflows, state open/closed, and say whether the system is in dynamic equilibrium or changing.
The HL treatment of Topic 1.2 extends modelling skills with more complex system diagrams and quantitative analysis of feedback mechanisms. Students must evaluate the predictive power and limitations of environmental models with greater analytical depth than at Standard Level.
IB full-mark checklist: name the boundary, identify storages, describe inflows/outflows, state open/closed, and say whether the system is in dynamic equilibrium or changing.
At Higher Level, ESS includes an extended essay component and deeper analytical questioning. Expect longer data-response questions and more complex case study scenarios in both Paper 1 and Paper 2.
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Start studying freeTopic 1.2 Systems forms a core part of Unit 1: Foundations of ESS in IB ESS HL. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.
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