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Sound is vibrations and waves in the air that reach our ears.

When sound waves enter your ear they become smaller.

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00th of a second to hear something
To break glass you must produce a pitch and frequency th

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Did you know that...
Apparently your voice will sound "richer" in the shower because of the solid walls around you. And also, you figure out where sounds come from by sensing the amount of time it takes to get to you in contrast to the other ear.

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You have to match the glasses frequency to break it.
Piano keys have a certain sound because the strings match their frequency.

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sound travels 18 times faster through metal than air, ear bones are shaped like hammers, sound travels through your ear canal and vibrations are sent to the eardrum and then sends vibrations to the brain.

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It takes 100th of a second to hear something
To break glass you must produce a pitch and frequency the same as the object.

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The way we figure out were sound comes from is how long it takes to reach either ear.
Sound travels 18 times faster though solids than air

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The new info we learned today from watching Bill was: that hospitals use ultrasounds to see how a baby is doing. We also learned that if you place a tube up to your ear it will take longer for the sound to reach your ear.

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- An echo is when a sound wave hits something and bounces back
-There is tiny bones in our ear
-Sound travels 18 times faster through metal than air
-Noise can cause other objects to vibrate

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Sound Facts By: Noa, Dayna, Savanna, Alieah

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Sound Facts By: Noa, Dayna, Savanna, Alieah

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Sound is tiny vibrations in the air and sound waves make air molecules squeeze together. Sound travels faster through metal than through air.