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.
Get AI-powered practice questions, personalised feedback, and a study planner tailored to your IB ESS HL exam date.
Start studying freeTopic 1.2 Models, Systems and Loops 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.
Get AI-graded practice questions, mock exams, flashcards, and a personalised study plan — all aligned to your IB syllabus.
Start Studying FreeNo credit card required · Cancel anytime