Science Lab Hands on Activity Gr. 3A
“Learn Today, Lead Tomorrow “
Sound energy relies on the ear picking up the vibrations, so the further the listener is from the source of the sound, the less vibration he will be able to feel. That will result in less sound for the listener to hear.
يجب تسجيل الدخول حتى تتمكن من التفاعل مع أخبار المدرسة