The Super Science Book of Forces (Super Science Series)
By Jerry Wellington.
Description
Colour artwork and photographs illustrate an explanation of sound in terms of waves, freguency and amplitude, showing the variance in its energy and how it can travel through different mediums. A new title in the SUPER SCIENCE series. Suitable for the National Curriculum Science Key Stage 2/3. - from Amzon
ISBN(s)
1568472234, 9781568472232
