Tag Archives: HOW AN ECHO TRAVEL THROUGH WATER?

70.HOW AN ECHO TRAVEL THROUGH WATER?

Now that we know something about sound, let’s find out what makes an echo and whether an echo can travel through water.

Sound travels outward from its source at a speed of about 375 meters per second in open air. Sound travels in waves much like the ripples made by a pebble thrown into the water. However, sound waves go out in all directions like the light from an electric bulb.