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Physics is, hopefully, simple. Physicists are not.
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@Chrishamper 17 Mar 17:01RT @TOKtweet: Beta version of Chris Hamper's amazing Physics website for IBDP students now out. Great for revision - & FREE - https://t.co/…
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Doing measurement of g by dropping a ball using the Pasco kit. Thought it might be an idea to try with the longest drop possible so I sent a couple of students outside. I think they knew there was a photo opportunity coming up. Slightly concerned about Sasha standing on the railing, he only just got rid of his crutches from an earlier accident. Risk takers and all that.
The whole course can be delivered through the activities on this website, Chris has been doing it this way for some years. Here is his teaching order.MechanicsActivity: Measurement and uncertaintyIn this practical the mass and diameter of different balls of Plasticine will be measured in order to verify that the mass of a sphere is proportional to the cube of its diameter. This is a simple experiment...Activity:...
The options contain some interesting physics but not all students have the same interest, most schools offer only one option so a student passionate in astrophysics might be disappointed to hear they will have to do engineering. The activities on this website address this problem enabling students to work independently through the option of their choice. They can be used for the students who do not...
This topic is the first in the Subject Guide, and there are some aspects that will need to be tackled before your students can commence other physical concepts. For students who have not studied physics recently or ever before, they should become familiar with taking measurements, identifying the uncertainties associated with data and learn the techniques for adding vectors. In this section of the website, you will also find a 'Mini Investigation'. This can be an engaging way to introduce students to the IA, perhaps after completing Mechanics.
IntroductionIn this practical the mass and diameter of different balls of Plasticine will be measured in order to verify that the mass of a sphere is proportional to the cube of its diameter. This is a simple experiment but introduces the concepts of uncertainties, data processing and graphing.Measuring diameterTake a piece of Plasticine and roll it into a ball. Try measuring its diameter with a ruler...
AimsIntroduce the idea of a research question.Use knowledge of mechanics to develop a hypothesis.Use practical skills to design an experiment to test a hypothesis.Use "detective" skills to evaluate results.Practice writing a formal report.IntroductionIn this activity you will perform an experiment related to a small bow and arrow made from a piece of plastic from an ice cream carton and...
The InThinking Physics site is designed, written and updated by two physics teachers with physics teachers in mind.We hope that you will find the Getting started section useful if you are new to the IB, physics teaching or these resources. Returning subscribers are also advised to check out this area to make sure that you are using the full functionality of the site.At the heart of the site are the...
A well planned site with lots of informations in Physics!
I was new to teaching IB and moved to a brand new school with no other Physics teacher and no resources at all... With the huge help from the InThinking Physics site I was able to put in place a course with no problems at all. It has been like having...
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...
10 September 2019
The PhET simulation is great but you can't beat real balloons for introducing electric fields. This year I bought extra big ones, not so good... more
15 Sep Amtul Qayyum
Paper 2Chris, thanks! This section is a great help.
12 Sep Frank Ansari
Paper 2This section is especially useful. When I was teaching GCSE, the syllabus booklet included 'verbs' and the expectation that went with each. IB however, does not publish such a list. I try to emphasize this aspect but my list is quite brief....
11 Sep Chris Hamper
Test: Electrical power (2)Oops, it looks like I have written the answers to b and c the wrong way round. I'll correct it in a minute.
10 Sep Fergus Gray
Test: Electrical power (2)Hi Chris. Just checking the answer to 1(b). I thought the power dissipated inside a battery was due to the current flowing through its internal resistance. P=I^2r=(0.086)^2*(5)=0.037W. Is this wrong?
10 Sep Chris Hamper
MCQs: Measurement and UncertaintiesMakes sense with a lot of data. OK I'll change the answer.
9 Sep James Meyer
MCQs: Measurement and UncertaintiesThe even/odd rounding rule comes from statistical analysis. I was also confused when I first heard of it from a student. When analyzing large data sets, trends tend to err upward when always rounding 5 up to the next digit. If you alternate...
6 Sep Chris Hamper
Ideas for investigationsYes although any thermometer is probably ok.
5 Sep Amtul Qayyum
Ideas for investigationsThanks Chris. Should he use a thermo-couple to measure the temperature?
4 Sep Chris Hamper
MCQs: Measurement and UncertaintiesWell you learn something everyday. Never heard of this even number rule before, interesting.
4 Sep amad Raja
MCQs: Measurement and UncertaintiesContinuing my above comment, I would add that when I performed the calculation, calculator display answer came as 0.024975025. Here the 2nd sig.fig is 4 not 5. So, the correct answer should be 0.02, even by applying simple rule (without realizing...
4 Sep amad Raja
MCQs: Measurement and UncertaintiesHi Chris, I would agree with eric. Because if there are no figures after the 5, then the last figure kept should be unchanged if that last figure is even. Check following references: Well, I agree that this distinction of consideration between...
3 Sep Chris Hamper
Ideas for investigationsType of paint is difficult to quantify, area painted white might be better. Could make a model with a black ball in front of a lamp and see how the equilibrium temp depends on area painted whit. Streets in LA is nice context.