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Chemistry HL/SL
Chemistry HL/SL
Philosophy - Why should I study Chemistry?
As one of the three natural sciences in the IB Diploma Programme, Chemistry is primarily concerned with identifying patterns that help to explain matter at the microscopic level. This then allows matter’s behaviour to be predicted and controlled at a macroscopic level. The subject therefore emphasizes the development of representative models and explanatory theories, both of which rely heavily on creative but rational thinking. DP Chemistry enables students to constructively engage with topical scientific issues. Students examine scientific knowledge claims in a real-world context, fostering interest and curiosity. By exploring the subject, they develop understandings, skills and techniques which can be applied across their studies and beyond. Integral to the student experience of the DP chemistry course is the learning that takes place through scientific inquiry both in the classroom and the laboratory.
Chemistry involves studying the properties and behaviour of matter. It is an extremely practical science and has been very influential in its impact on our daily living. It lies at the heart of countless issues from health care to environmental protection. It is largely responsible for the increase in life expectancy experienced over the past century, though some chemicals also have the potential of harming our health and/or the environment. Throughout the course Chemistry is placed in context and our many encounters with everyday Chemistry are discussed.
Course Content - What will I be studying?
Grade 11
The new IB DP Chemistry syllabus (started in 2023) broadly divides the learning of Chemistry into two main concepts, Structure and Reactivity. In the first semester our course explores both of these concepts in a sequence topics from stoichiometry to atomic theory, periodicity, structure and bonding.
Students are encouraged to read widely, to use the library, and online resources in order to expose themselves to as much Chemistry as possible. The sheer amount of material covered, by those taking Chemistry in the HL class, means that a great deal of preparation outside class is necessary.
The syllabus includes a practical project, done individually, which is assessed internally and accounts for 20% of the final IB grade. There are very specific assessment criteria that need to be addressed in this project. Most of the practical work is used to support the theory in the course with students doing lab work approximately every other week. Towards the end of Grade 11, all DP students need to actively participate in a joint science project where the emphasis is on the co-operative process of science - this is a student-directed project involving students from Biology, Chemistry, Physics and Computer Science classes.
Grade 12
The second year of the Diploma course starts with acid/bases and redox chemistry followed by the SL organic chemistry. The final semester starts with looking at the HL organic chemistry and then remaining aspects of Structure and Reactivity before we start revising for the final IBDP exam. The mock DP exam provides an opportunity for a 'dry run' at the real thing. Careful analysis of their own performance in this exam is considered essential to the students' success in the final Diploma exam. To do well, students need not only to know most of the material but also to be skilled exam-takers. Students will be given the opportunity to analyse their performance, look at the examiners' report and discuss why and where they lost marks in the mock exam.
Assessment - How will I be assessed?
Paper 1: Multiple choice and data-based questions, Standard Level (1h 30mins) and Higher Level (2h)
Paper 2: Short-answer and extended-response questions, Standard Level (1h 30mins) and Higher Level (2h 30mins)
Internal Assessment component: 10h (moderated externally) for Higher and Standard Level (22%)
Prerequisites - What do I need to know before choosing Chemistry?
Completion of MYP Chemistry or an equivalent Chemistry or Combined/Co-ordinated Sciences course. To study Chemistry at HL for the Diploma, a ‘5’ in the MYP grading system, or a 7/8/9 in I/GCSE is generally required. For SL, an MYP 4 in Chemistry or a 5/6 in any I/GCSE Science course is an important prerequisite.
What will allow me to be successful?
Students who achieve top marks:
Pre-read before coming to class (eg use Kognity)
Spend at least 1hr a week reviewing the material the class has covered to ensure understanding (spaced practice) and construct their own notebook.
Question themselves thoroughly by doing regular past paper questions and/or reviewing from a blank page (retrieval practice)
Are attentive in class - actively engaging with the work of the class.
What can I do with Chemistry in the future?
There are a wide range of Chemistry-related degrees available, including Analytical Chemistry, Biochemistry, Environmental chemistry, Inorganic Chemistry, Organic Chemistry and Physical Chemistry and Polymer and Materials chemistry.
These degrees in turn can lead to a range of careers as varied as medicine, dentistry, forensic chemistry, geochemistry, R & D management, pharmacy, chemical engineering, petroleum engineering and perfumery.
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