ISEN-ASTC-L is a service of the Association of Science-Technology Centers
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Hey Rick,

"Corruga tubes" are corrugated tubes.  Any flexible plastic tubing with
ridges has the potential to make interesting sounds when you move air across
the aperture fast enough.  This can be done by swinging the tube through the
air or by gluing the tube to your car and playing a tune as you drive.

Here is a link to an article I found on Google books that explains the whole
thing with some very hard looking math.

http://www.google.com/books?id=bwwRVV_1iOcC&pg=PA207&dq=sound+toy+hummer+cor
rugated+pipe&ei=L2KNSqevEILyMqrPlKMH#v=onepage&q=sound%20toy%20hummer%20corr
ugated%20pipe&f=false

Mike

Mike Levad
Lead Exhibit Developer
651-789-4735 (direct)
651-631-2211 xt.735
651-631-0707fax    
Toll free: 800-433-9599
[log in to unmask]
www.splitrockstudios.com


On 8/20/09 8:57 AM, "rick brown" <[log in to unmask]> wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
> 
> What are corruga tubes?  Are they something I can make or where can I buy
> them?  Thanks, RIck
> 
> -----Original Message-----
> From: Informal Science Education Network
> [mailto:[log in to unmask]] On Behalf Of David Savory
> Sent: Wednesday, August 12, 2009 4:34 PM
> To: [log in to unmask]
> Subject: Re: Sound and other Shows
> 
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ****************************************************************************
> *
> 
> Bull frog callers. You need yogurt containers, string and scissors. Have the
> kids poke a hole in the bottom of the yogurt container. They'll need to do
> this by twisting the scissors rather than by smacking them because the
> container will just crack. (They can still be used if they're cracked, it'll
> just be harder to hold the string in place with a big knot.) Feed the string
> through the hole and knot it a bunch of times so that the string won't pull
> through the hole. Or use a paperclip. It doesn't matter which side of the
> hole the knot is on. Have the kids wet the string and then pull on it. The
> string should slide through their fingers and make a croaking sort of noise.
> Say to the kids, "You've made an unusual machine you can use for catching
> frogs. How could you change the pitch of the sound you make if you wanted to
> call bigger or smaller frogs?"
> 
> Don't forget tuning forks, corruga tubes.
> 
> And as a general note on sound workshops: have Tylenol nearby.
> 
> David Savory
> Community Extensions Program Developer and Exhibit Curator
> Science World British Columbia
> TELUS World of Science
> 1455 Quebec Street
> Vancouver, BC
> Canada V6A 3Z7
> 
> t: 604.443.7561
> f: 604.443.7434
> e: [log in to unmask]
> w: scienceworld.ca
> 
> Science World British Columbia is a self-supporting non-profit organization
> which engages British Columbians in science and inspires future science and
> technology leadership throughout our province.
> 
> 
> This e-mail may be privileged and confidential. Any unauthorized use is
> strictly prohibited. If you received this e-mail in error, please contact
> the sender immediately.
> 
> 
> 
> 
> -----Original Message-----
> From: Informal Science Education Network
> [mailto:[log in to unmask]] On Behalf Of Jonah Cohen
> Sent: Wednesday, August 12, 2009 2:21 PM
> To: [log in to unmask]
> Subject: Re: Sound and other Shows
> 
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ****************************************************************************
> *
> 
> Oh, there's some good ones with sound!
> 
> 1) A resonating aluminum rod can be really loud, and is cheap/durable/easy.
> Usually marketed as the "singing rod" ie here:
>  http://sciencekit.com/singing-rod/p/IG0023754/ (Flinn Scientific even makes
> them in different lengths)
> 2) You can get a lot of volunteers to help you, and kids love the Boom
> Whackers
> http://www.stevespanglerscience.com/product/1179
> 3) Ricci tubers (pipes with wire screen that's heated with a blow torch) are
> also cool. It's not online, but Flinn lists them in their catalogue as
> "singing tubes"
> 4) Wanna break the sound barrier? Just use a bullwhip. Takes a bit of
> practice, but makes you look macho.
> 
> Sounds of Science,
> Jonah Cohen
> Outreach & Public Programs Manager
> The Children's Museum
> 
> 
> "Discontent is the first necessity of progress."
>       -Thomas Edison
> 
> -----Original Message-----
> 
> Hello,
> We are planning our new "show" for the upcoming school year.  We were
> considering a show on Sound.  If you have a fantastic Sound show, I would
> love to hear from you.  Besides the Ruben's Tube, are there some other
> Wow-y, super cool demos, or is this a difficult one to make exciting?
> 
> If we don't go with Sound, I'd love some suggestions.  We have Combustion,
> Liquid Nitrogen, Chemistry and Air.  What are your favorite shows and demos?
> 
> Thanks in advance for any feedback!
> 
> --
> Skoshi Wise
> Director of Education
> ScienceWorks Hands-On Museum
> 541.482.6767 ext. 26
> 
> ***********************************************************************
> For information about the Association of Science-Technology Centers and the
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> For information about the Association of Science-Technology Centers and the
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> 
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> ***********************************************************************
> For information about the Association of Science-Technology Centers and the
> Informal Science Education Network please visit www.astc.org.
> 
> Check out the latest case studies and reviews on ExhibitFiles at
> www.exhibitfiles.org.
> 
> The ISEN-ASTC-L email list is powered by LISTSERVR software from L-Soft. To
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