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Sound

Find out more about sound, how instruments make sound, experiments with sound, and the answers to trivia questions sent with the kids science project on sound.

Trivia Questions

1. Can sound travel under the water?

2. Is there sound on the moon?

3. What is the speed of Sound?

Find the answers to these kids science questions.

 

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Kids Science Library

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Science Experiments for Kids Science doesn't have to be complicated, expensive or use specialized laboratory equipment. There are great science projects that can be performed using common household items.

Whether you are a parent or a student trying to find an idea for a science project, a teacher looking for ideas for the classroom, or a science enthusiast who enjoys the delight of experimentation, you'll find what you're looking for in this book.

101 Easy Science Projects

 

 

What is Sound?

Sound is a type of energy made by vibrations. When any object vibrates, it causes movement in the air particles. These particles bump into the particles close to them, which makes them vibrate too causing them to bump into more air particles. This movement, called sound waves, keeps going until they run out of energy. If your ear is within range of the vibrations, you hear the sound.

How do Wind Instruments make sound

In wind instruments, like the flute and trumpet, vibrating air makes the sound. The air particles move back and forth creating sound waves. Blowing across a flute's blow hole sets up Slinky-like waves in the tube. In the clarinet, a vibrating reed (a thin piece of wood set in the mouthpiece) gets the waves started. Different pitches are played by pressing keys that open or close holes in the tube making the air column inside the tube longer or shorter. Longer air columns produce lower pitches.

 

How do String Instruments make sound? 

Stringed instruments are played by pressing the fingers down on the strings. This pressure changes the strings' length, causing them to vibrate at different frequencies and making different sounds. Shortening a string makes it sound higher. Strings produce different sounds depending on their thickness.

Experiments with sound 

  1. See sounds vibrations
    Tie a piece of thread to some tissue paper. Put on some loud music and hold the thread in front of a loud speaker. The vibrations should make the tissue paper shake. 
  2. Water Chimes
    Fill a set of glasses with different amounts of water. Eight glasses are enough to create an octave of eight notes. Strike each glass. Do they all make the same note? Changing the amountof water will change the note. The amount of water in the glass changes the pitch of the sound wave. 

    Can you use the notes to play a simple tune? 

 

 

 

 

Awesome Experiments In Light & Sound

Using easy-to-find materials, you can perform dozens of awesome experiments.  These incredible investigations will change the way you look at and listen to the world around you!

Order Light and Sound Now

 

Science Experiments with Sound and Music

It's music to your ears--but why does one instrument make a different sound than another? Each of these delightfully illustrated safe and "sound" experiments uses ordinary materials to teach fabulous facts about the bangs, slaps, whistles, claps, and harmonies in our world.

Order Sound and Music Now

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Trivia Answers

1.  Can sound travel under the water?

Yes sound can travel under the water. It moves four times faster through water than through the air. It can travel such long distances that whales can hear each other when they are nearly a hundred miles apart.

 

2.  Is there sound on the moon?

No, there is no sound in space. Sound needs something to travel through like air or water.

 

3.  What is the speed of Sound?

Sound travels through air at 1,120 feet (340 meters) per second.

 

Interesting Websites

The Sound Site
Interactive Sound Site

 

 Note to Parents:

Creative Kids at Home has checked every weblink on this page.  We believe these links provide interesting information that is appropriate for kids.  However, the internet is a constantly changing place.  You are responsible for supervising your own children.  If you ever find a link that you feel is inappropriate, please let us know. 

 

Send us a note if you have any questions.

 

 

 

 

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