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.Site authors
IB Approved Workshops
Chemistry
IB DP Category 2
Barcelona, Spain, 12 - 14 February 2027
Find out more
Chemistry: A focus on the experimental programme
IB DP Category 3
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
We are apt to think we know what time is because we can measure it, but no sooner do we reflect upon it that illusion goes. So it appears that the range of the measurable is not the range of the knowable. There are things we can measure, like time, but yet our minds do not grasp their meaning. There are things we cannot measure, like happiness or pain, and yet their meaning is perfectly clear to us.
.png)
InThinking
Supporting international schools with high quality PD & interactive online resources
Dynamic
Creative
Personal
Creative
Personal
Selected student pages
See all
Most popular
See all
Blog
Free
11 Oct 2026
The 2026 Nobel Prize for Chemistry
The Nobel prize for Chemistry this year celebrates the pioneering work of Henri Kagan and Kenso Soai on homochirality - the synthesis of just the required enantiomer of chiral compounds and not the mirror...
11 Sep 2026
The importance of using clear English in IB chemistry
Why using clear English is important when communicating in chemistry. This blog gives examples of two past IB questions where the language used to phrase the questions can lead to different interpretations...
Recommendations
See all"InThinking is a great organisation. I got my first category training with them and it was one extremely useful to my teaching. In addition, the website is highly in line with the training and the IB curriculum and also very helpful. It is such a blessing..."
Dina Sonbol
American International School in Egypt
"This website has certainly encouraged me and my students to think CRITICALLY about chemistry. I genuinely enjoy reading Pause for Thought and try my best to embed some thought-provoking questions in every lesson. I have been inspired by your articles..."
SunKyung Lee
Beijing Dulwich International School
Subscriber comments
-
Hello, We have a shortage of chemicals and when there two students came up with the idea of burning different length of alcohols to find out the energy released by each, I suggested that they work together to collect sufficient data. In...
Internal Assessment -
Hi Sian, Replying to questions on how IA marks have been arrived at (usually why they have been lowered) by external moderators is something I find difficult to do, particularly as I have not seen the actual work being assessed. InThinking...
Internal Assessment -
Hello Geoffrey, We have received feedback on our IA's from May2026. Between us, we have a long history of teaching the course and usually have our grades accepted, or amended by +/-1. This year, all of our students were marked down by...
Internal Assessment
Geoffrey
Site authorHi Margarita, The information you require about two students collaborating to obtain their data is on pages 74-75 in the 2023 guide. This has changed since the previous syllabus where collaboration was not allowed. Essentially you must...
Internal Assessment