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Worked Solutions17 June 2010

The IB mark scheme gives the letters of the correct answers but not the complete solution. The examiners report gives some more details and statistics but again no worked solution. Here I have written... more

Not a checklistfree13 October 2014

One of the advantages of the old system of internal assessment was that it was quite easy to produce a checklist for each criteria. This was also one of the aspects that the assessment team didn't like,... more

Introduction to IB Physics22 December 2018

The IB has a mission statement in which we have highlighted the distinctive components of this curriculum.The International Baccalaureate aims to develop inquiring, knowledgeable and caring young people... more

Unit Planner: Astrophysics20 February 2019

Start date:Diploma assessmentPaper 1Paper 2Paper 3 xInvestigation xText book referenceHamper - online resourcesTransfer GoalsList here one to three big, overarching, long-term goals for this unit. Transfer... more

Unit Planner: Thermodynamics3 February 2019

Start date:Diploma assessmentPaper 1Paper 2Paper 3 xInvestigation xText book referenceHamper - online resourcesTransfer GoalsList here one to three big, overarching, long-term goals for this unit. Transfer... more

Practical: Verification of Boyles lawfree15 September 2018

In this practical the pressure of a sample of gas trapped in a syringe will be measured with a pressure sensor.Boyles law states that for a fixed mass of gas at constant temperature the pressure will... more

Unit Planner: Rotational dynamics3 February 2019

Start date:Diploma assessmentPaper 1Paper 2Paper 3 xInvestigation xText book referenceHamper - online resourcesTransfer GoalsList here one to three big, overarching, long-term goals for this unit. Transfer... more

Gravitational Fields15 December 2018

The myth is that Newton realised that an apple fell because of gravity but I don't think he was the first person to notice that an apple fell because it was pulled downwards. The big breakthrough was... more

Measurements and uncertainties14 December 2018

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... more

A bad example16 January 2016

The subject guide says that the investigation should have "appropriate complexity & depth" but what does that mean. Here is an example that doesn't. I should point out that this was not done by one of... more

Analysis18 March 2014

Analysis of data is basically what we used to call data collection processing and presentation plus a bit of the evaluation. As with the other criteria this is a holistic assessment based on the whole... more

Activity: SHM, energy and phasefree12 March 2019

Investigate other oscillations.Explore the changing energy in an oscillation.Sketch graphs of KE and PE vs time and position.Introduce phase difference.Simple harmonic motion is defined as motion where... more

Unit Planner: Energy production14 December 2018

Start date:Diploma assessmentxPaper 1xPaper 2Paper 3InvestigationText book referenceHamper SL 271- 301Transfer GoalsList here one to three big, overarching, long-term goals for this unit. Transfer goals... more

Activity: Mini investigationfree12 November 2018

In 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 a drinking straw. The bow is used for firing arrows so most experiments... more

MCQs: Electric potential15 September 2018

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MCQs: Diffraction and resolutionfree15 September 2018

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Logistics30 March 2014

This depends very much on when other deadlines are in your school but it can’t be too early as not enough of the course will have been covered and students with English as an additional language would... more

Moderation8 March 2019

The purpose of moderation is to ensure that there is some consistency between teachers in different schools. Moderators are IB teachers or retired IB teachers, who have applied to the IB. The application... more

Unit Planner: Atomic, nuclear and particle physics14 December 2018

Start date:Diploma assessmentxPaper 1xPaper 2Paper 3InvestigationText book referenceHamper SL 229 - 263Transfer GoalsList here one to three big, overarching, long-term goals for this unit. Transfer goals... more

MCQs: Electric fields15 September 2018

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Unit Planner: Fields3 February 2019

Start date:Diploma assessmentPaper 1 xPaper 2 xPaper 3Investigation xText book referenceHamperTransfer GoalsList here one to three big, overarching, long-term goals for this unit. Transfer goals are the... more

Activity: Kirchoff's laws16 September 2018

Let's first consider a water pipe splitting in two.Now currents in wiresThe sum of the currents into a junction = the sum of currents out of the junctionImagine you are walking around a multistorey shopping... more

Problems: Electric field15 September 2018

1. An electron is accelerated in the electric field shown. Calculate the velocity of the electron just before it hits the top plate (ignore gravity).Mass of electron = 9.1 x 10-31 kgCharge of electron... more

Activity: Electric potential1 October 2018

If a constant force moves a distance d in the direction of the force the work done is F x d. If we plot a graph of F vs x we can see that the work done is the area under the graph.This is also true if... more

MCQs: Doppler15 September 2018

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MCQs: 1st Law15 September 2018

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MCQs: Electric circuits15 September 2018

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MCQs: Oscillationsfree15 September 2018

Oscillations 30/12/2015 : Migrated more

P1 May 2009 TZ1free7 November 2010

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Introduction to the sitefree21 January 2019

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... more

Stellar processes15 December 2018

Understand and apply the Jeans criterionDescribe nuclear synthesis after the main sequence for different sized stars.Apply the mass luminosity relationship to compare star lifetimes.Describe... more

Fluid dynamics15 December 2018

Define streamlines and flowlines.Derive and use the continuity equation.Derive and use the Bernoulli equationUnderstand the principle of the Venturi meter.Derive the equation for the Venturi... more

Analysis of marksfree18 January 2016

After a couple of months there have been 18 responses but 3 of these were blank so only 15 sets of marks. This is not enough to base any statistical analysis on (although we ask our students to do this... more

Worked Solutions17 June 2010

The IB markshemes are essential for understanding how the marks are awarded but are not complete solutions, for that reason I decided to make my own with some comments in red. Due to copyright reasons... more

Unit Planner: Quantum and nuclear physics3 February 2019

Start date:Diploma assessmentx Paper 1x Paper 2Paper 3x InvestigationText book referenceHamperTransfer GoalsList here one to three big, overarching, long-term goals for this unit. Transfer goals are the... more

Problems: Light from stars2 December 2018

1. The photo below shows the constellation Orion. Bellatrix is the star on Orion's left shoulder.The following data is copied from wikipediaDistance from Earth = 77PcRadius = 6RsunLuminosity = 6,400 LsunTemperature... more

MCQs: Standing wavesfree15 September 2018

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MCQs: 2nd law15 September 2018

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Practical: Rectifier circuitfree15 September 2018

In this practical the input and output of a half wave and full wave rectifier will be investigated with a datalogger.Depending on the equipment available you can either build the circuit by clipping components... more

Unit Planner: Fluid dynamics and forced oscillations3 February 2019

Start date:Diploma assessmentPaper 1Paper 2Paper 3 xInvestigation xText book referenceHamper - online resourcesTransfer GoalsList here one to three big, overarching, long-term goals for this unit. Transfer... more

Activity: Resolutionfree16 September 2018

Light from a point source passes into the eye through the pupil, is focused by the lens onto the retina where light sensitive cells detect the light and send information to the brain via the optic nerve. more

Choosing a Topic12 February 2011

Choosing and extended essay topic is probably one of the most difficult things a student will ever be asked to do. At university they will undoubtedly be asked to write essays of similar length and much... more

Magnitude15 December 2018

This topic requires the manipulation of logarithmic equations. probably not worth doing the derivations with SL students unless they are good at maths.There is not much to go over in class but it is worth... more

Optional Practical: Flying Pigfree16 September 2018

In this practical the acceleration due to gravity will be found by measuring the time period of a pig flying in a circle. Note: this experiment can also be done with flying cows, dinosaurs and even planes.... more

Activity: Dopplerfree16 September 2018

The Doppler effect is the change in frequency due to relative motion between source and observer (HL p181). This is often observed when a car drives past sounding it's horn (not such a regular occurrence... more

Activity: Introduction to waves16 September 2018

Introduce the concept of waves and there characteristics.Define quantities related to waves.Investigate the behaviour of a wave pulse in a string.Understand that a continuous wave is composed of a series... more

Problems: Single slit Diffraction15 September 2018

1. Laser light of wavelength 600nm passes through a narrow slit. The diffraction pattern is projected onto a screen where the width of the principal maximum is 10cm. The screen is now moved 10cm closer... more

MCQs: Gases15 September 2018

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