What are wave-like patterns in airflow?

Wave-like patterns in airflow are ripples that move through the air just like ripples on a pond when you drop a stone into it.

Imagine you're blowing across the top of a bottle, and instead of making a loud noise, you create soft whooshes. That’s because the air inside is moving in wave-like patterns, kind of like how water moves in waves when you walk through a puddle.

When air moves, it can push and pull on other air nearby, just like when you're playing with your toy cars, and one bumps into another. This bumping causes the air to move in smooth, repeating motions, which we call wave-like patterns. These waves can be big or small, fast or slow.

These wave-like patterns are what make sounds, like when you blow a whistle or talk. The waves travel through the air and reach your ears, letting you hear the sound. They’re also why wind feels smooth or bumpy as it moves around things like trees or buildings.