March20-Science

**Assignment for March 23rd: (Science Focus) **

 * ==http://www.scienceproject.com/projects/intro/intermediate/IP003.as==
 * ==http://www.pbs.org/weta/roughscience/series2/challenges/music/ ==
 * ==http://www.musica.uci.edu/ ==
 * ==http://www.informaworld.com/smpp/content~content=a746388602&db=all ==
 * ==http://42explore.com/musicmnts.htm ==
 * ==@http://www.yale.edu/ynhti/curriculum/units/2000/5/00.05.05.x.html ==
 * == **Objective of your share:** Using Boomwhackers, students will discover how smaller "mediums" create higher pitches because there is a smaller length to vibrate ==
 * ** **Materials needed-** Boomwhackers
 * Boomwhackers are a fun tool used in many elementary classrooms. They are colorful plastic tubes of varying lengths that produce one single pitch when "whacked" on the floor or in your hand. Students can play accompaniments to melodies and create melodies themselves with these tubes. Explain to the students that sound is produced with a vibrating source, a medium, and a receiver. In this case the vibration is made when you hit the boomwhacker on the floor or in your hand, the Boomwacker is the medium and your ears are the receiver. Each of the boomwhackers produce a different pitch because the medium is smaller or larger and therefore there is varying lengths to vibrate. Compare this concept with Sting instruments, Violin/Bass or Orff Xylophones; Soprano/Bass.
 * [[image:Boomwhacker.jpg width="358" height="215" link="@http://www.westmusic.com/ProductDetails.aspx?prodid=200346"]]media type="youtube" key="G1W4Q4i9HBI" height="408" width="517" align="center"
 * 21st Century Skill Addressed: Creativity and Innovation, Critical Thinking and Problem Solving, Communication and Collaboration