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This site is well organized and thorough. It gives great insight into the content and how connections can be made for students. I have been using it to help me prepare for the 2016 assessment, and have used resources for each content area and laboratories...

Steven Rines, American School of Bombay, India

InThinking Physics is a valuable resource. If you are teaching IB Physics for the first time, then it is an absolute must-have. The materials provided are practical, easy to follow and full of interesting resources.

Joylene Vette-Guillaume, Heidelberg International School, Germany

InThinking site for IB physics is a wonderful resource to learn and teach IB physics effectively. I have been trained mostly through Chris Hampers' ideas and innovations on this site. I couldn't have made it without this resource. Thank you for making...

Sarika Dudeja, The Heritage School, India



Friday 20 January 2017

The question looks quite straightforwardA 1000 kg car travels up a 15° Hill at a constant speed of 80 kmh-1. Calculate the power of the engine... more

keep your eye on the pig

Thursday 12 January 2017

Always worth timing many cycles when trying to find out the time period but maybe timing the same one over and over again is not going to improve... more

Pigs in orbit

Wednesday 11 January 2017

Its pig time again.Ilaria is measuring the height of the pig above the ground but first she has to catch it. Might have been easier to wait... more

Subscriber comments

  • 13 Jan Chris Hamper
    Tests and quizzes
    very simple 70%+ 7 60% 6 etc.
  • 13 Jan Larysa Darchuk
    Tests and quizzes
    Hello Chris, I would like to ask you how you grade IB HL Physics exams. If a student gets 50% or 70% in a Mock exam what grades you give him? What conversion do you use to go from % to IB grades 1-7?
  • 13 Jan Chris Hamper
    (Eng HL) Fluid dynamics
    It must be the same on each side or the section would be accelerating.
  • 13 Jan lee kim
    (Eng HL) Fluid dynamics
    Hi Chris, What kid of answer are you expecting from the students to the question "If the velocity in the lower section is constant what can you deduce about the Pressure inside this section of pipe and the pressure outside?" Is there an equation...
  • 11 Jan Dan Berliner
    Speed of sound (drinking straw)
    I was skeptical about how well this would work in a noisy room with old laptops, but it worked extremely well. All of my students got speeds between 340 and 350 ms-1.
  • 5 Jan Chris Hamper
    Acceleration and suvat
    This is fixed now. Tell me if you find anymore links that don't work.
  • 4 Jan Asmaa Almestarihi
    Acceleration and suvat
    Hello, I cannot access any of the labs
  • 4 Jan Chris Hamper
    TOK in Physics
    Sorry but I can't remember what that video was so I removed it, you can find loads more TOK stuff in the lesson plans under the Syllabus content tab.
  • 4 Jan Christopher Rieger
    TOK in Physics
    Chris, when I click on this video I get the message "this video does not exist". Can you please check the link? Thanks!
  • 19 Dec Chris Hamper
    Gravitational potential
    I can see it. P's and goodwill by the way.
  • 19 Dec David Elliott
    Gravitational potential
    I think a 'P' is missing in question 8
  • 6 Dec Danny Doucette
    Group 4 Project
    We need to do our G4P during class hours, so we block off two weeks and have the students go through a pseudo-Investigation in groups of 3. They design and collect data together, but conduct their own analysis and write up their own reports...


Higher Level Physics

Higher Level Physics by Chris Hamper. Comprehensive coverage of the entire HL course.

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