Subscribe now – it's free!

Getting started

There are two main ways you can browse the site:


Get prepared for the IB exams:


Topics

Virtual tutorSee all 77 networks

A digital guide to the process of problem solving which highlights strengths and weaknesses, explains mistakes, reminds you about definitions and helps to clarify concepts. Check out our Introductory network to see it in action.

Preview

Circular motion 4

How fast does a pig fly?

Preview

Oscillations 3

What is the frequency of oscillation when a mass hangs on a spring?

Preview

Gravity 3

How far away are TV satellites?

Preview

Thermal 6

How long does it take to boil a kettle dry?

Hot pages

  • KinematicsMechanics

    Before we can model motion we need to define the quantities that we are going to use, once that has been done we can investigate how they are related.

  • Distance and displacementMechanics

    Displacement as a vector, adding perpendicular displacements using pythagorus

  • Circular motionCircular motion and Gravity

    If your speed is constant how can you be accelerating. When you move in a circle it feels like you are being thrown out so how come the force is towards the centre? If too many people join me on a roller coaster will we all fall to our death

  • Wave basicsOscillations and Waves

    Wave quantities wave propagation reflection refraction interference diffraction

  • Wave propertiesOscillations and Waves

     Wave simulations use the same mathematical equations that are used to model real waves so have the same properties. Here a ripple tank simulation will be used to show how waves reflect, refract, interfere and diffract.