Everyday your world is filled with a multitude of sounds. Sound can let you communicate with others or let others communicate with you. It can be a warning of danger or simply an enjoyable experience. Some sounds can be heard by dogs or other animals but cannot be heard by humans.
A collection of animated videos, fact web pages and talking points compiled by the Non Destructive Testing (NDT) Resource Centre. A huge range of topics are covered, including vibration, frequency and pitch, the speed of sound, and the human ear, but some areas are very advance for KS1 and KS2 learning.