Hello! My name is Chua Kah Hean. I teach physics at Hwa Chong Institution. Students call me Mr Chua. Over the years, I have wasted invested thousands of hours producing independent study resource for students preparing to sit in the GCE A-level (pre-university) Physics examinations.

I feel very strongly that every student, whether from rich or poor families, should have equal access to high quality study resources.

Support my naive valiant effort at http://www.patreon.com/xmphysics

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Follow me on instagram: https://www.instagram.com/xmphysics

Follow me on twitter: https://www.twitter.com/xmphysics

Follow me on facebook: https://www.facebook.com/xmphysics

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xmLecture | xmTutor | xmDemo | xmFlashCard | xmTYS | xmComic | yayaPhysics

xmLecture

xmLecture brings together all the xmphysics resources. Click here to access.

01 Measurement | 02 Kinematics| 03 Dynamics | 04 Forces | 05 Work Energy Power | 06 Circular Motion | …

The idea is to deliver xmphysics lectures in pdf documents, packed with clear explanations, supported by clickable links to awesome physics demonstrations and animations.

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xmTutor

In 2017 I started making whiteboard-style short videos to explain specific concepts. URLs to youtube playlists are provided below. (URL)

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xmDemo

I also have a blog and youTube channel running physics demonstrations illustrating A-level Physics concepts. The videos are hosted on youTube (youtube.com/xmdemo), and the blog (xmdemo.wordpress.com) provides brief explanations about the videos.

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xmFlashCard

My latest project. To put flash cards into the handphones of students.

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xmTYS

Practice with the Ten-Year-Series is a must for students preparing for the A-level examinations.

I maintain a blog at xmTYS.wordpress.com to provide worked solutions. While hardcopy TYS are arranged either by years or topics, my online version is searchable by years, topics and even concepts. This allows students to quickly retrieve questions of similar types testing the same concept.

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xmComic

During the 2015 Dec holidays, I started dabbling in comics depicting physics concepts. I have published them as blogs on xmcomic.wordpress.com.

In the comics, the physics are very loosely applied so I can foresee many “education experts” accusing me of planting wrong physics in students’ minds. Duh.

I can’t really draw so most of the time I copy from other drawings (some of the characters I drew are clearly characters borrowed from Lat, a malaysian cartoonist). I managed to force my daughter to draw a few for me. She draws very well but she is not very enthusiastic about the assignment. Sigh.

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yayaPhysics

Some time in 2013, I made a series of videos with the format of me chatting with Yaya, my 9-year-old daughter over some A-level physics concepts. It was my first attempt at making physics-related videos, so many of them were quite rough and unpolished. But some of them are quite memorable and have sentimental values for me. (URL)