(a) (b) Cochlea (b) Auditory nerve (c) Ear drum Ear bones: hammer, anvil, stirrup (e) Pinna When you hear your own ... These vibrations, known as sound waves, travel outwards in all directions from the vibrating object (hands). ... Thick strings produce notes with a low pitch while thin string produce notes with a high pitch.
|Title||:||Topical Test Papers Science S2 S/e|
|Publisher||:||Pearson Education South Asia - 2003|