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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

MCQs: Wave propertiesfree15 September 2018

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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

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

Beginners guide20 December 2018

Practical skills are assessed in two different ways, the internally assessed (and externally moderated) investigation and the externally assessed question on a list of prescribed practicals on paper 3. 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

MCQs: Gravitational Field15 September 2018

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Activity: 1D waves16 September 2018

Define the difference between longitudinal and transverse waves.Introduce polarisation.Sketch displacement time and displacement position graphs for a wave.Understand how standing waves are formed.Investigate... 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

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

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

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

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

MCQs: Oscillationsfree15 September 2018

Oscillations 30/12/2015 : Migrated more

Activity: Fuels16 September 2018

Fuels are chemicals that are burnt to produce heat energy which can be converted into mechanical energy by an engine or turbine which is used to turn a generator to produce electricity. The energy in... 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

Activity: Single slit diffraction16 September 2018

When light passes through a narrow slit it spreads out, this is called diffraction. The light does not spread out uniformly but forms bright and dark areas as shown below.The width of the central maximum... 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

Optional Practical: 1D Waves simulation (GeoGebra)free15 September 2018

In this exercise GeoGebra will be used to build a simulation of wave from individual oscillating particles but first let’s consider a single particle. This worksheet is written for students who already... 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

P1 May 2009 TZ1free7 November 2010

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Activity: Moment of Inertia16 September 2018

In the last activity we applied Newton's law to a small mass on a light rod, now we will add a second mass.Each mass is rotating about the pivot (left end), this means that there is a Torque acting on... more

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

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

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

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

MCQs: Magnetic fields15 September 2018

74 more

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

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

Activity: Particle nature of matter14 November 2018

You probably already know and accept that everything is made of atoms but it might be worth looking at why we think this. Is there any other possibility? Could matter be continuous? Ancient Greek philosophers... 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

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

Unit Planner: Electromagnetic induction3 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

Activity: Generators and transformers16 September 2018

In this section we will be considering a rectangular coil rotating in a uniform magnetic field, this is best viewed in 3D.Consider a power station producing 100 MW of power at 30 kV, calculate: more

Activity: Temperature and heat16 September 2018

In the last section you considered a car being slowed down by air resistance:Build this yourself in Algodoo, all balls, the cart and the container are perfectly elastic and friction free. Don't forget... more

Problems: Gravitational fields15 September 2018

1. The diagram below represents two spheres of equal density placed a distance 18R apart. If the field strength at point P is zero show that r = 2R more

Rolling cylinders (Hamza)free14 July 2016

By Hamza Jalil (UWCRCN 2016)INTRODUCTION: In this experiment the velocities of two different kind of cylinders (hollow and solid) will be compared in relation to the height of the slope they roll on.... more

Moderation30 January 2016

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

Activity: Multiple slit interference16 September 2018

A diffraction grating is a piece of glass with many (thousands) very fine lines printed on it to form a series of parallel slits. Each slit diffracts the light causing it to spread out. The light from... more

Activity: Heat capacity and change of state16 September 2018

When heat is added to a body it's temperature increases proportionally (provided there is no change of state) the constant of proportionality is the thermal capacity of the body.The amount of heat required... more

Problems: The Guitar15 September 2018

1. The E string of an electric guitar has a diameter of 0.203mm and is made of steel. The velocity of the wave in a string is given by the formula v=√T/µ where T = Tension and µ = Mass per unit length. more

MCQs: Transformers and power15 September 2018

108 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

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

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

Problems: First Law15 September 2018

1. A gas is contained in a cylinder by a moveable piston.Volume = 30cm3Temperature = 305KPressure = 105 kPaThe gas undergoes the following cycle:Calculate that the net work done by the gas during this... more

Problems: Resistance15 September 2018

1. At 0°C a steel cable is 1km long and 1cm diameter when it is heated it expands and its resistivity increases. Calculate the change in resistance of the cable as it is heated from 0 - 20°C more