In this learning episode, from the Institute of Physics, students use an analogue experiment to illustrate electron scattering by quarks. In the model, magnets are concealed in a box. Their poles represent ‘charges’ which are probed using a freely-suspended magnet. This helps to demonstrate that each of the...

Interactive Teaching Programs (ITPs) are an ICT-based tool developed by the National Strategies to support the teaching of key concepts in mathematics. Where available, manuals which describe how the ITP works and could be used are posted as separate files.

The ITPs here are:

• Moving digits:...