The seashell captures the ambient noise, which then resonates inside the shell.ĭepending upon the size and type of shell you listen to, different frequencies of sound will be echoed back to your ear. So what IS that sound you hear? Scientists believe the most likely answer is that it’s the echo of the noise in the air around you. When tested in a soundproof room-where there’s still air flowing-shells don’t produce the same “ocean” sound. Scientists have disproved this theory, too, though. Others believe what you hear is the sound of air flowing through the shell. It sounds believable, but scientists have proved that the echo of pumping blood is not what you’re hearing. One popular myth that many people believe is that, when you hold a shell up to your ear, what you’re really hearing is the echo of the blood pumping through the blood vessels in your head. So what exactly is it that you’re hearing? If not the ocean, what in the world is it? Obviously, the ocean isn’t inside the shell. No matter how far you are from the ocean, it seems like you can hear the soothing sounds of ocean waves lapping up onto the beach when you hold a shell to your ear. If you’ve ever tried this, you know that it works. One thing most children do upon first picking up a large seashell is to hold it up to their ears to listen for the sounds of the ocean. If you can’t find any big seashells, you may decide to check out the selection of shells at a local souvenir shop. If you’ve ever walked along a seashore, you’ve probably searched for seashells.
For most others, though, seeing the ocean means taking a trip-sometimes a long one!-to visit the ocean. Have you ever visited the ocean? Maybe you live along a coastline where you get to see the ocean all the time.
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