Voice for Educational Video on Sound Waves

Job #7880

Job Posting Details

Job # 7880 Voice for Educational Video on Sound Waves

Posted Date
Jun 3, 2008 @ 12:05
Respond By
Jun 3, 2008
Word Count
Age Range

Job Description


1. Hello! Jasmine here.

2. We hear different sounds all the time.

3. Today, we’ll learn about sound waves. We’ll find out how they move, or transmit, through different substances and how the size and shape of objects affects the way we hear a sound.
4. Our class today will be in a music store. Come on!

5. Sound is a form of energy that we can hear. It is produced by vibrations.

6. When I blow into this flute the air inside the flute vibrates. These vibrations move outward in the form of sound waves. When the sound waves reach our ears, our brain interprets them as sound.

7. If we could see a sound wave transmit through the air, it would look something like this.

8. In the compression part of the wave, the particles of air are close. In the rarefaction part of the wave, the particles are more spread out.

9. Sound waves can also transmit through solids and liquids.

10. Sound transmits faster through liquids than through air. This is because the particles in a liquid are closer than they are in air.

11. The particles of a solid are closer than the particles in a liquid, so sound transmits fastest through solids.

12. Check this out! When sound transmits through one substance and reaches the boundary of another most of it bounces, or reflects to produce an echo.


This is a sample we need. We are looking for the rates so that we can work on a regular basis.

About the Client

This is the client's first posting at Voices.com

We are one of the most rapidly developing software consulting organization offering a composite portfolio of IT solutions like Project Management, ERP Solution and providing Skilled Resources. We have a significant presence in providing security solutions and implementation for a rapidly increasing customer base in this segment of IT. Founded in 2000 by Mr. Anirban Ghosh, INFOGEN Global India’s pioneering and the fastest growing IT Company has maintained its leadership status in catalyzing renaissance in Indian IT arena. It is indeed a multifaceted IT organization that has integrated its operation backward, offering total flexible IT solution in India and overseas. Infogen Global has state-of-the-art development facilities in India and world over lending it a global presence. With a whopping distinctive projects,Infogen Global has been silently offering client by constant innovation in IT.

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