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Physics
IB DP Category 1
Paris, France, 13 - 15 November 2026
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Physics: A focus on the experimental programme
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Paris, France, 19 - 21 February 2027
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Quote of the day
It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we say about Nature.
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Emma's experiment(s)
As a workshop leader, I'm often asked for exemplar programmes of experimental work - a prefilled list of all the investigations my class engages with throughout the course. Well, we're up and running,...
Watt turbine?
Hi. It’s a long time since I (Chris) wrote a blog post, but this Instagram video (no sound) inspired me. In the video, the presenter demonstrates how amazing this turbine is by giving it a small push,...
Recommendations
See all"I am very pleased with the website and the material. Love the animated multiple choice test questions. That is a great way to ask questions and cannot be accomplished with questions on paper. Also, the labs are very good and the suggestions are very..."
Susan Vogel
Rockwall-Heath High School
"The Inthinking Physics site has been a life saver. Chris's explanations of syllabus content and assessment criteria have helped enormously with planning and programming. The inclusion of marked IAs in particular was really beneficial when I started teaching..."
Kate Baldry
The Friends School
Subscriber comments
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Question #6 - it should be asking for centripetal force. The question now asks for centripetal acceleration instead.
A2 interactive: Circular motion -
Ah yes, sorry, I see it now!
B5 MCQs: Current and resistance -
Not sure I follow, Benson; the potential energy in a system of two or more negative particles is positive (they repel). Is there a sign convention I am missing?
B5 MCQs: Current and resistance
Emma
Site authorThanks Zhenqi! I've done a general tidy up of units while here, too :)
A2 interactive: Circular motion