The Task

Your job is to become enlightened about sound! What is the science of sound called?  Why and how do we control sound? How do we use sound everyday? What are the attributes of sound?

The Process

Here are the steps necessary to complete this assignment.

    *  Look at the questions below.  Under each question is a web site
        where you will find the answer to the question.

    *  When you are assigned a computer, open Netscape (either
        Navigator or Communicator) and type in the URL (address)
        of the web site listed.

    *  Write the question on your paper.

    *  Read information at the web site and answer the question on
        your paper.

      http://www.geocities.com/Athens/Parthenon/6553/page3.html

2.  What is the difference between noise and music?

      http://www.ndt-ed.org/EducationResources/HighSchool/Sound/components.htm

3.  What is a wavelength?

      http://id.mind.net/~zona/mstm/physics/waves/partsOfAWave/waveParts.htm#wavelength

4.  Describe how the sound waves of a high note would look.

      http://www.tpub.com/neets/book10/39e.htm   (Look under "The Pitch of Sound")

5.  What is frequency?

      http://id.mind.net/~zona/mstm/physics/waves/partsOfAWave/waveParts.htm
 

6.   Write 2 sentences about vibration.
      Use this site to get ideas.  http://www.schoolforchampions.com/science/soundcreate.htm

7.   How fast does sound travel in the air?

      http://www.pbs.org/wgbh/nova/barrier/boom/concept1.html

8.   Give 2 examples of how animals make a sound.

      http://www.wildnetafrica.com/envirokids/sound/animalsounds.html

9.  How does sound help animals communicate?

     http://www.newton.dep.anl.gov/natbltn/600-699/nb635.htm
     http://www.wildnetafrica.com/envirokids/sound/animals.html

10. How do dolphins use sound?
      Find the answer here:
      http://www.pbs.org/wnet/nature/dolphins/squeaking.html
 

11.  What is sonar?
        http://www.pbs.org/wgbh/nova/lochness/sonar2.html
       Describe how sonar can assist oceanographers.
       Go to this site and read. http://www.womenoceanographers.org/doc/jgriffith/lesson/jo_lesson.htm
 

12. How does the human body produce voice sounds for talking and singing?

       http://www.endofsuffering.com/physiology.html  (Look at the section named Pharynx and Larynx.)

13. There are 3 types of instruments in a symphony orchestra:  stringed instruments, wind
      instruments and percussion instruments.  How is sound produced on/in each of the 3 different
      types of instruments?

    Strings:

    Winds:

    Percussion:

     Try these sites:
      http://www.torso.org.uk/violin_how_played.htm  http://www.torso.org.uk/strings_how_sound.htm
      http://www.exhibits.pacsci.org/music/Instruments.html  (Look in the section, "How the sounds are made.")

      http://www.dsokids.com/2001/instrumentchart.htm
 
     Then play a  Piano

14. Write a definition for resonance.
      Hint:  Look for red words.
      Use this site:  http://www.glenbrook.k12.il.us/gbssci/phys/Class/sound/u11l5a.html