Deafness is the partial or complete inability to hear certain sounds. More specifically, it is the inability to discriminate speech. In a child with normal hearing, sound waves pass through the ear...
I play with sounds
I use words to say the things I want to say. But sometimes I like to play with words and sounds and sayings. If I say "Shhh," "Ooops," "Ugh," "Hiss," or "Buzz," I wonder- "Is that a sound I'm saying...
My voice comes from a box
If I say "fee-fi-fo-fum," I can feel the place where my voice comes from. I put my fingers on my throat and I can feel my throat moving. My voice comes from my voice box, called a larynx. My voice...
Hunter in the Darkness
In a cave in Texas, a furry, gray bat hung head downward, his eyes closed. The curved, sharp claws on his toes clung to the rough rock of the cave's ceiling. Even though he slept, the bat could not...
“Seeing” with your ears
When a friend calls your name across the playground, do you know which way to look? Usually you do---your ears tell you. The outer part of your ear traps sound waves and funnels them into your ear....
Rattle and roar
Rattling trucks, roaring jets, squeaking chalk, and creaking doors don't make music. They make sounds we don't want to hear. These unwanted sounds are called noise. Noise is hard to stop. Like other...
Make your own music
Tap, plink, tweet, and tootle. Here are four simple instruments you and your friends can make. Each instrument belongs to a big family---it has lots of \"relatives" that make music in the same way. ...
Musical brass
Where does the loud, sharp sound of a trumpet come from? It all starts with a tiny \"buzz"---a vibration very much like the one you make when you hum. When you play a trumpet, your lips buzz against...
“Wind” songs
Whistling can be music---you can make a tune with ah\ you blow through your lips. Many musical instruments make sounds in the same way---with a stream of vibrating air. A flute is one of these...
Boom and bong
Tap a pencil against an empty box. It doesn't play a tune, but it does make a sound. One family of instruments makes sounds in the same way---you use something to hit, or strike, them. The...
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