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The 3 core sciences namely Biology, Chemistry, and Physics will be updated for first teaching in August 2023, with first examinations in May 2025. The syllabus change was originally scheduled for 2021, though the COVID-19 pandemic caused the IB to delay the syllabus change to 2023. Details of the specific changes can be found on the IBO website.
The Group 5: Mathematics subjects of the IB Diploma Programme consist of two different mathematics courses, both of which can be taken at Standard Level (SL) or Higher Level (HL). [1] To earn an IB Diploma, a candidate must take either Mathematics Applications and Interpretation (SL/HL) or Mathematics Analysis and Approaches (SL/HL), as well as ...
The following is a list of notable unsolved problems grouped into broad areas of physics. [1]Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result.
To officially participate in an official IB Middle Years Programme, students must attend an authorised IB World School. [4] In the U.S., the MYP is often taught throughout middle school and the first two years of high school. Typically, middle schools and high schools work in coordination with each other. [5]
To participate in the IB Primary Years Programme, students must attend an authorised IB World School. [4] "A PYP school is expected to implement the programme in an inclusive manner, so that all students in all the grades/year levels in the school or in the primary division of a school are engaged fully with the PYP."
In physics, the n-body problem is the problem of predicting the individual motions of a group of celestial objects interacting with each other gravitationally. [1] Solving this problem has been motivated by the desire to understand the motions of the Sun, Moon, planets, and visible stars.
In the past, Theory of Knowledge was assessed in two parts: an externally examined 1200- to 1600-word essay and an internally assessed presentation. As of 2022, this has been replaced with an exhibition. [4]: 41 Each part is scored using assessment criteria, which differ between the essay and presentation. The total score is converted into a ...
Depending on the Planck energy cutoff and other factors, the quantum vacuum energy contribution to the effective cosmological constant is calculated to be between 50 and as many as 120 orders of magnitude greater than has actually been observed, [1] [2] a state of affairs described by physicists as "the largest discrepancy between theory and ...