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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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TOKThis scale is based on an original attempt to classify the stars in terms of their brightness using the naked eye. It is very difficult to do this bu the ancient Greeks were quite good, have we lost the ability to make these sort of measurements?NotesThis topic requires the manipulation og logarithmic equations. probably not worth doing the derivations with SL students unless they are good at maths....
TOKIt seems like magic when you find out that bodies that travel at the speed of light must have zero mass but its not. Same when you use the velocity transform equation and find that the velocity of light is the same as measured by all inertial observers but it would be wouldn't it? Sort of spoils the magic.NotesIn these notes the I have tried to derive the formulaE2 =p2c2 + mo2c4 but it's...
TOKNow we have shown that KE is in fact an increase in mass why do we still talk about energy? Should new theories wipe out the old ones?NotesIn the SMARTboard notes below I have derived the equation for relativistic KE. I don't do this anymore since few students could understand it. Furthermore its a long time since I did this sort of maths so I can't exactly remember how all the steps can...
AimsIntroduce the concept of fields to explain how bodies can experience a force without contact.State Newton's Universal law and apply it to calculate the force acting on a body close to the earth.See how Newton's law gives the correct value for the acceleration of gravity close to the earth and the period of the earth's orbit around the Sun.Understand the concept of "field strength"...
AimsIntroduce the concept of matter being made of particles.Understand how relative atomic mass can be found.Define the mole.Explain in terms of particles why the 3 states of matter are different.Explain friction, buoyancy and air resistance in terms of particles.Atoms and moleculesYou probably already know and accept that everything is made of atoms but it might be worth looking at why we think this....
This is a great resource for IB Physics teachers. I have been using it and will continue using the same in future. The resources of IA are great. I can strongly recommend to any Physics teacher of the world for this site. Thank you for maintaining the...
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...
I consider Chris Hamper's InThinking page for IB Physics to be an indispensable resource for the course. Whether you use his textbook or not the IA section alone is worth the subscription cost.
21 November 2018
The end of the first term, yes, it's the end here, we break up on next Wednesday,. Anyway, the end of the first term is a good time to do a... more
26 Nov Chris Hamper
Interactions between particlesTry this Students are only expected to understand the basic rules
26 Nov Sujatha Ashok
Interactions between particlesI am confused about Feynmann diagrams. Id there a site which explains this ? For example scattering off a electron antineutrino off a muon. If it says just muon is it positive or negative ?
23 Nov Chris Hamper
Activity: Stellar evolutionHI Jaya, Thanks for reporting. It should be fixed now. Try reloading page and if still a problem clear the cache from your browser history.
22 Nov Jaya Ramchandani
Activity: Stellar evolutionHi, the equations in this entire section are not showing up
20 Nov Chris Hamper
LogisticsIt would do but there is no requirement for title, contents or appendix.
20 Nov Sandra Fernandes
LogisticsHi Chris, First of all thanks for the answer to all my other questions on this website, much appreciated. I have a question more to do with structure. Does the page count include the title page, the table of contents, the references list and...
13 Nov Chris Hamper
Ideas for investigationsI think it is fine to use Algodoo in this way, wouldn't be easy to do it in real life.
13 Nov Sandra Fernandes
Ideas for investigationsPs. I am not teaching Imaging as an option so that is a new topic for him.
13 Nov Sandra Fernandes
Ideas for investigationsThanks, Chris :) Another question (sorry this is my first year with IAs and I have a lot of questions). A student of mine is proving the lens equation and he is using Algodoo to show the focal length changes with the refractive index (he is...
2 Nov Chris Hamper
MCQs: Circular motionGood point, I'll fix it.
2 Nov Dustin Norton
MCQs: Circular motionI really like question 2, but the given angle is not possible if the ball has no vertical acceleration (weight does not equal vertical component of T). I was really proud of a student who recognized this method of solving using Pythagoras'...
1 Nov Chris Hamper
LogisticsYes they can but I think it is much better to compare the simulation to real life. I also think that it is much better for a student to build their own simulation in Geogebra or Algodoo than use a ready made one.