Home of real teaching & learning
- Full support for teachers
- Focus on critical thinking
- Engaging classroom activities
- Integrated student eBook
- Assessed tasks / qBank
- Practice exam questions
The InThinking Guarantee: Our sites are written by expert practitioners and not by AI
See our AI policyDisclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.
Don't miss out, find out!
- Free trials Take out a one month free trial today!
- Newsletters Subscribe to our FREE subject site newsletters.
Recommendations
Read what users are saying about the site.Video overview
Site authors
IB Approved Workshops
Environmental systems and societies (New Syllabus)
IB DP Category 1
Berlin, Germany, 30 October - 1 November 2026
Find out more
Environmental systems and societies: A focus on internal assessment
IB DP Category 3
Paris, France, 13 - 15 November 2026
Find out more
Environmental systems and societies (New Syllabus)
IB DP Category 2
Paris, France, 19 - 21 February 2027
Find out more
Virtual Think-Ins
InThinking Shorts
Find all InThinking events at
inthinking.net
Quote of the day
It's not as though we can keep burning coal in our power plants. Coal is a finite resource, too. We must find alternatives, and it's a better idea to find alternatives sooner then wait until we run out of coal."
InThinking
Supporting international schools with high quality PD & interactive online resources
Creative
Personal
Selected student pages
See allMost popular
See allRecommendations
See all"Very comprehensive overview of the course. As an experienced ESS Teacher, it was still useful to see new/additional resources and to have everything in a resource. I have used InThinking for IB DP Chemistry before and do use it regularly as a teacher...."
Sarah Urquhart
Yokohama International School
"Zoe Badcock and Laura Hamilton, along with the InThinking Team, have put together a wonderful resource for ESS teachers. Their eBook is clear and concise with helpful links and videos. Their activities are aligned with the the DP assessments and get..."
Jared Brandt
Uplift Grand College and Career Prep Institute
Subscriber comments
-
We can turn this into a Pictionary game!
5.2 Agricultural Systems -
Hi Ursula, you are in luck. I had a page that had been archived so I've tidied it up and republished it. https://thinkib.net/ess/page/19369/investigating-ocean-acidification...
4.3 Aquatic food production systems -
Hi Zoe, do you have any ideas for this part of the Guide: "Plan an experiment to investigate the impact of acidification on shelled organisms."? Thank you!
4.3 Aquatic food production systems
Zoe
Site authorWhat a great idea Diana
5.2 Agricultural Systems