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Environmental systems and societies: A focus on internal assessment
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20 November 2026
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1 December 2026
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See all"I really love that you have so many activities and video that would engage in classes. All the teaching material are ready to use; and the tests and annotated marking of works are super helpful!"
Sov Atkinson
Atlantic College
"The ESS InThinking site is an excellent resource. Although I’ve taught IB Bio for many years, I started teaching ESS a year ago, and I found that the approach to the IB ESScourse was very different. I found that daunting. The ESS resources provide..."
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American School of The Hague
Subscriber comments
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Hi Timea, the sunlight image isn't a great example, but it doesn't show positive feedback. The ice cap would have to show that it was decreasing and therefore amplifying change. I think we'll edit this question to show a clearer example of negative...
Topic 1 Example Assessment -
Dear Zoe, Question 5.: The images requred two types of feedback, but both pictures represent the positive feedback.(albedo)
Topic 1 Example Assessment -
Hi Ursula, thanks, and I've fixed it - just a broken link.
2.2: Energy and Biomass in Ecosystems
Laura
Site authorHi Timena, I've updated the assessment with a clearer image of negative feedback, hope this is helpful.
Topic 1 Example Assessment