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Posted by on Jun 25, 2016 in TellMeWhy |

What Causes Sounds?

What Causes Sounds?

What Causes Sounds? All sounds are made by vibrations. Lightly place your fingers on your throat, and speak. The buzz you feel is your vocal cords vibrating. Stretch a...

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Posted by on May 31, 2016 in TellMeWhy |

What Makes an Echo?

What Makes an Echo?

What Makes an Echo? An echo is a sound that we hear after it is reflected, or bounced back, from some object. When we shout, sound waves travel through the air in all...

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