Vibration and Sound

When sound is produced here it is usually pleasant.

Sound can either be unpleasant or _________

When babies do this in the middle of the night the sound is usually ___________

We see light before we hear sound.

Sound can travel through different mediums like gas, water and walls

Pleasant sounds are usually ________

Mary picks up her flute during a school concert and plays a melody of Mary had a little lamb. Everyone stood up and applauded her. That means Mary just produced _______ sound.

When people talk to each other this way they always sound pleasant.

When i move things back and forth quickly i make them ________

People can feel their throat vibrate when they talk.