Light and sound - Steve Parker

This book is packed with stunning colour photographs and diagrams. Together with a detailed and expertly written text, it provides an accurate, comprehensive account of the topic of light and sound for key stage 3 students. Main text is supported by a series of fact files which provide information at a glance: history file, future file, test file and fact file. Topics covered include:

The speed of light

Colour and brightness

Reflection, refraction, mirrors and lenses

Lasers and holograms

Sound waves, echoes and sonar

Infrasound and ultrasound

Ears and hearing

Recording and storing sounds