Sirius Revision

🇩🇰 Denmark

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My name is Mitch Campbell, and I'm a Canadian, living in Denmark with my wife and two daughters. I love making resources to support students! Scroll down for playlists on the following subjects: -Physics SL and HL made by me -Biology SL and HL made by Cheryl Hickman -Chemistry SL and HL made by David Paddock -Maths Applications (AI) SL made by me -Maths Analysis (AA) SL made by me Cheers, Mitch (November 2025)

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Mitch Campbell Physics Mathematics Biology Chemistry IB International Baccalaureate studynova oxford study courses OSC OSC Study IB Physics IB Maths AI IB Maths AA

Sirius Revision

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Join our Mid-IB and Pre-IB courses online in July!

Structure 3.2.5 Naming Guidelines 1 [IB Chemistry SL/HL]

Paper 1B - Significant figures [IB Physics SL/HL]

Paper 1B - Calculating uncertainties [IB Physics SL/HL]

Paper 1B - Random and systematic error [IB Physics SL/HL]

Paper 1B - Linearisation [IB Physics SL/HL]

Paper 1B - Absolute, fractional, percentage uncertainty [IB Physics SL/HL]

Good luck with your May 2025 exams!

E1.5 HL Bohr model for hydrogen [IB Physics HL]

E1.3 Emission and absorption spectra [IB Physics SL/HL]

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