Experimental programme & IA
Sample 3: Genuine marked & moderated IA
This is a genuine IA report comparing two different methods to find the amount of sodium hypochlorite in household bleach. It was written for the 2023 programme and submitted for examination in May 2025....
Experimental programme & IA
Sample 2: Genuine marked & moderated IA
This is a genuine IA report on factors affecting the activation energy of nucleophilic substitution reactions. It was written for the 2023 programme and submitted for examination in May 2025. A clean...
Experimental programme & IA
Sample 1: Genuine marked & moderated IA
This is a genuine IA report on factors affecting the rate of decomposition of hydrogen peroxide. It was written for the 2023 programme and submitted for examination in May 2025. A clean copy of the report...
Experimental programme & IA
Timing & organisation
This page discusses when in the two-year Diploma programme it is best to carry out the scientific investigation and how to organise it . There are obviously several models as to how the Scientific Investigation...
Experimental programme & IA
Reflective statement
This page discusses what is required in the approximately 100 word reflective statement written by each student about their involvement in the Collaborative Sciences Project. It should focus on how they...
Experimental programme & IA
Practicalities
This page covers the practicalities of the Collaborative Sciences Project. It covers the best time in the two year course to do it, emphasises that it is best if students come up with their own overall...
Teaching, learning & resources
AI & Education
Artificial intelligence, in the form of large language models (LLMs), is with us, for good or ill, and like many technological changes in the past, it's here to stay, and we must learn to live with it....
External assessment
The examination process
This section covers the whole of the examination process. The examining team, including the managers from the IB, the setting of the papers, their marking and grading. It also covers the important role...
External assessment
Enquiry upon results
How your school can request a re-mark to change the grade for one or more students and the different types of enquiry upon results the school can apply for. The results are sent to schools during the...
External assessment
Retaking the exam
There are various good reasons why a student may need to retake one or more of their exams in order to try to increase their grade. This page details these reasons, how to go about applying and the advice...