The unit is divided into 15 lessons, typically of 2 hours duration. The lessons may be split across a number of periods or taught as double periods as suits the timetable of your own school.

Lesson 1 - Introduction Lesson 2 - Waves Lesson 3 - Sound waves Lesson 4 - More about sound Lesson 5 - Measuring sound Lesson 6 - Frequency & wavelength Lesson 7 - Superposition Lesson 8 - Electromagnetic waves Lesson 9 - Reflection Lesson 10 - Refraction Lesson 11 - Total internal reflection Lesson 12 - Inverse square law Lesson 13 - Radio & TV Lesson 14 - Electromagnetic spectrum Lesson 15 - Digital Age Lesson 16 - Student presentations