Stack the two assessment categories in two buckets-
External Assessment (80%)
Paper | Higher Level (HL) | Standard Level (SL) |
1 | Multiple-choice questions on Core and Additional Higher Level (AHL) material | Multiple-choice questions on Core material |
2 | Data-based question and short-answer and extended-response questions on the Core and AHL material | Data-based question and short-answer and extended-response questions on Core material |
3 | This paper will have questions on core and AHL Option material | This paper will have questions on Core and SL Option material |
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Internal Assessment (IA) (20%)
Do your practical sessions throughout Year 11 and 12 based on the following criteria.
Criterion | Weightage | Time duration | Criterion descriptor |
Personal Engagement | 2 (8%) | 10 hrs | This criterion assesses the extent to which you engage and explore your topic. Â |
Exploration | 6 (25%) | This criterion assesses the extent to which you are explicating the RQ Â | |
Analysis | 6 (25%) | This criterion assesses the extent to which you select, record, process, and interpret the data connecting it with the RQ. Â | |
Evaluation | 6 (25%) | This criterion assesses the extent to which you substantiate your evaluation and investigation based on the RQ and the relevant scientific context. Â | |
Communication | 4 (17%) | This criterion assesses whether the investigation is presented and reported in a way that supports your effective communication with respect to focus, process, and methods. | |
Total | 24 (100%) | Â |
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Exam tips-HL
Paper | Number and Type of questions | Weightage | Time | Time per mark | Areas of focus | Note to remember |
1 | 40 MCQs-concepts from all topics | 20%= 40 marks | 60 mins | 1 min 30 secs | 1-11 (core) or 1-21 (core and AHL)  | No calculator or data booklet useNo penalty for wrong answersAttempt allUse of periodic table  |
2 | 1 section with structured questions of varying length | 36%=95 marks | 2 hrs 15 mins | 1 min 25 secs | Starts with a question on Stoichiometry | Be careful with calculations, units and decimalsBe familiar with the data booklet and the command termsNever write anything out of the box spaceUse calculator and data booklet  |
3 | Section A-one data-based question and several short-answer questions on experimental work. [15 marks] Section B-short-answer and extended-response questions from one option (out of four) [30 marks] | 24%=45 marks=[15 marks+30 marks] | 1 hr 15 mins =[30 mins (Sec A)+45 mins (Sec B)] | 1 min 40 secs | Data based and experimental | Analyse graphs and draw best fit linesIdentify source of errors Use calculator and data booklet  |
Exam tips-SL
Paper | Number and Type of questions | Weightage | Time | Time per mark | Topics | Note to remember |
1 | 30 MCQs (about 15 of which are common with HL)- concepts from all topics | 20%= 30 marks | 45 mins | 1 min 30 secs | 1-11 (core) or 1-21 (core and AHL)  | No calculator or data booklet useNo penalty for wrong answersAttempt allUse of periodic table   |
2 | 1 section with structured questions of varying length | 40%=50 marks | 1 hr 15 mins  | 1 min 30 secs | Starts with a question on Stoichiometry | Be careful with calculations, units and decimalsBe familiar with the data booklet and the command termsNever write anything out of the box spaceUse calculator and data booklet  |
3 | Section A: one data-based question and several short-answer questions on experimental work. [15 marks]  Section B: short-answer and extended-response questions from one option. [20 marks]  | 20%=35 marks = [15 marks+ 20 marks] | 1 hr [Recommended time for Section A = 25 minutes  Recommended time for Section B = 35 minutes] | 1 min 43 secs |  | Analyse graphs and draw best fit linesIdentify source of errors Use calculator and data booklet  |
General tips
Remember your past papers are your guide
Learn to draw and label diagrams with precision
Revise all the topics, including the optional ones and topics 10 and 11