Volume is determined by
amplitude, the height and power of a sound wave. Larger waves carry more energy, creating louder sounds, while smaller waves are perceived as quieter or more delicate. When a drummer hits hard, the wave grows tall. When you whisper, the wave stays small. Same pitch can be loud or soft depending on how much energy goes into the vibration!
⚡ DID YOU KNOW?
A whisper is about 30 decibels, normal conversation is near 60 decibels, and a rock concert can blast past 110 decibels. Your ears can tell the difference instantly!