Light and Sound (Kingfisher Young Knowledge)
By Mike Goldsmith.
Description
Readers are introduced to the science behind light and sound in this wonderful new addition to the KFYK series. The ways in which light and sound are used will amaze children—light can be used to create laser technology, while ultrasound enables doctors to see inside the human body. - from Amzon
ISBN(s)
075346036X, 9780753460368
