Sound: Loud, Soft, Hight, and Low, Paperback
Autor
Editura
An publicare
Nr. Pagini
ISBN
9781404803350
Descriere
Sound is created through vibrations that vary in pitch and volume. This creates sound-waves that you can hear. Includes experiments.
Comandă Cartea
--Lei
--Lei
--Lei
--Lei
--Lei
--Lei
--Lei
--Lei
--Lei