Vibration - Caused by something moving quickly back and forth, Pitch - How high or low a sound is , Frequency - How fast an object vibrates, Hertz - A measurement of frequency, Intensity - How loud a sound is, Decibels - A measurement of intensity, Sound Wave - An invisible wave formed by vibration that carries sound through the air to your ear,

How Sound Works- Match

بواسطة

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟