Extreme Science: Slinky Sound - Spokane, North Idaho News & Weather KHQ.com

Extreme Science: Slinky Sound

Posted: Updated:

What you will need:

  • Metal Slinky ™
  • Juice pouch (ie. Capri Sun)
  • Tape
  • Various size cups (paper and/or plastic)
  • Adult supervision

Procedure:

  1. Hold your Slinky with your arm stretched out in front of you so that you are holding the top ring of the Slinky.  Release the bottom portion of the Slinky (holding on to the top ring still) and allow the bottom portion of the slinky to hit the floor when it drops.  You may hear a slight vibrating or reverberating sound coming up the slinky as the base hits the floor.
  2. Now, place a juice pouch inside the top of the slinky.  Stretch your arm out and drop it again as you did in the previous step.  The reverberating sound should be a little more distinct or noticeable this time.
  3. This time, use some tape to tape the top ring of your slinky to the bottom of a cup.  Now, holding onto the base of the cup (with the cup upright and the slinky taped to the bottom of the cup) drop the slinky again and allow the base of the slinky to hit the floor as in the previous steps.  The sound should be amplified quite a bit this time!

What is going on?

When the bottom of the slinky hits the floor, it causes it to vibrate and sends waves back up the slinky towards your hand.  Since the key to sound is vibration, you will be able to hear this if you listen closely.  By placing the juice pouch in the top of the slinky, the vibrations are now passed on to the pouch as well allowing you to hear it a little better.  By taping the cup to the top of the slinky, you are allowing the entire cup to vibrate and, due to the shape of the cup, the sound is amplified much better than in the juice pouch.

Try this:

Try different size cups or cups made from different materials.  Try using a metal pie pan,  Try various object you can find around the house to see what amplifies these vibrations the best.

Radical Rick
Extreme Science
www.ExtremeScienceFun.com
509-892-7621

HD DOPPLER 6i
/
  • Top Stories from KHQHomeMore>>

  • Spokane Valley firefighters meet someone they saved using pit crew CPR

    Spokane Valley firefighters meet someone they saved using pit crew CPR

    Tuesday, January 16 2018 2:27 AM EST2018-01-16 07:27:14 GMT

    SPOKANE VALLEY, Wash. - Everyday, firefighters respond to many different calls. But it’s not everyday that they get to reunite with the people they help. On Sunday, Matt Kovich, a firefighter with Spokane Valley Fire Department, was at a fundraiser for the Scott Firefighter Stairclimb. The event takes place in March and raises money for the Leukemia and Lymphoma Society. While there, Matt met someone who had a story he didn’t expect to hear. “We normally don't get to...

    >>

    SPOKANE VALLEY, Wash. - Everyday, firefighters respond to many different calls. But it’s not everyday that they get to reunite with the people they help. On Sunday, Matt Kovich, a firefighter with Spokane Valley Fire Department, was at a fundraiser for the Scott Firefighter Stairclimb. The event takes place in March and raises money for the Leukemia and Lymphoma Society. While there, Matt met someone who had a story he didn’t expect to hear. “We normally don't get to...

    >>
  • Parents arrested after 13 victims, ages 2 to 29, discovered held captive in California home

    Parents arrested after 13 victims, ages 2 to 29, discovered held captive in California home

    Tuesday, January 16 2018 2:09 AM EST2018-01-16 07:09:07 GMT

    PERRIS, California - Two parents are being held on $9 million bail each after a horrific discovery at a home in Perris, California Sunday.  The Riverside County Sheriff's Department says a 17-year-old girl escaped from her house in the 100 block of Muir Woods Road, in Perris and managed to call 911 from a cell phone she found inside the house.

    >>

    PERRIS, California - Two parents are being held on $9 million bail each after a horrific discovery at a home in Perris, California Sunday.  The Riverside County Sheriff's Department says a 17-year-old girl escaped from her house in the 100 block of Muir Woods Road, in Perris and managed to call 911 from a cell phone she found inside the house.

    >>
  • Mad Minute stories from Monday, January 15th

    Mad Minute stories from Monday, January 15th

    Monday, January 15 2018 5:25 PM EST2018-01-15 22:25:15 GMT

    Here are the extended versions of the KHQ Local News 11 at 11 Mad Minute stories from Monday, January 15th.

    >>

    Here are the extended versions of the KHQ Local News 11 at 11 Mad Minute stories from Monday, January 15th.

    >>
  • Success by 6More>>

  • Washington State school ratings for 2013-2014; How does your school rank?

    Washington State school ratings for 2013-2014; How does your school rank?

    Thursday, July 23 2015 5:40 PM EDT2015-07-23 21:40:00 GMT
    Thursday, July 23 2015 7:55 PM EDT2015-07-23 23:55:15 GMT
    SPOKANE, Wash. - The ratings for the 2013-2014 school year for Washington State high schools, middle schools and elementary schools came out this week from the Washington State Board of Education.>>
    SPOKANE, Wash. - The ratings for the 2013-2014 school year for Washington State high schools, middle schools and elementary schools came out this week from the Washington State Board of Education. The schools were ranked based on their average growth in math and reading of all students and specific subgroups.>>
  • KHQ honors this year's Teachers of the Month

    KHQ honors this year's Teachers of the Month

    Thursday, July 2 2015 12:17 PM EDT2015-07-02 16:17:15 GMT
    Thursday, July 2 2015 12:17 PM EDT2015-07-02 16:17:15 GMT
    SPOKANE, Wash. - It's the end of another school year... marking the 27th year KHQ and Eastern Washington University have partnered together to celebrate some of the region's best teachers through the Teacher of the Month program. Congratulations... from KHQ Local News and from Eastern Washington University.>>
    SPOKANE, Wash. - It's the end of another school year... marking the 27th year KHQ and Eastern Washington University have partnered together to celebrate some of the region's best teachers through the Teacher of the Month program. Congratulations... from KHQ Local News and from Eastern Washington University.>>
  • What the experts say about reducing the cost of college (sponsored)

    What the experts say about reducing the cost of college (sponsored)

    Friday, June 5 2015 1:44 PM EDT2015-06-05 17:44:37 GMT
    Friday, June 26 2015 2:34 PM EDT2015-06-26 18:34:46 GMT
    Tuition, fees, housing, books, financial aid, student loans, college savings plans. Yikes! With so many factors to consider, you might need a degree just to master the cost of attending college. For more great tips and a handy monthly budgeting worksheet, learn more from our friends at STCU.>>
    Tuition, fees, housing, books, financial aid, student loans, college savings plans. Yikes! With so many factors to consider, you might need a degree just to master the cost of attending college. For more great tips and a handy monthly budgeting worksheet, learn more from our friends at STCU.>>
  • Michael Anderson Elementary Wins Book Drive School Challenge

    Michael Anderson Elementary Wins Book Drive School Challenge

    Michael Anderson Elementary on the Fairchild Air Force Base took the Challenge- so did Windsor Elementary in the Cheney School District. Their mission -to collect books for the Success By 6 Book Bank.>>
    Michael Anderson Elementary on the Fairchild Air Force Base took the Challenge- so did Windsor Elementary in the Cheney School District. Their mission -to collect books for the Success By 6 Book Bank.>>
  • Got A Pre-schooler? Pick Up a Kindergarten Readiness Calendar

    Got A Pre-schooler? Pick Up a Kindergarten Readiness Calendar

    Got a Pre-schooler? Pick up the Kindergarten Readiness Calendar at any local library! Getting ready for Kindergarten starts long before your child sets foot in their Kindergarten classroom! That's>>
    Got a Pre-schooler? Pick up the Kindergarten Readiness Calendar at any local library! Getting ready for Kindergarten starts long before your child sets foot in their Kindergarten classroom! >>
  • Young Children Learn from Everyday Life

    Young Children Learn from Everyday Life

    They say kids don't come with an instruction manual, yet parents, especially new parents are bombarded with all kinds of advice from friends and family. There are books and websites offering endless lists, tips and tricks for parenting.  Jill Johnson, Communications Specialist for Family Resources at Community-Minded Enterprises and Success by 6 Board Member says you can teach your children with simple, everyday activities.>>
  • Want Your Child to Love Learning? Let Them Play!

    Want Your Child to Love Learning? Let Them Play!

    Want your Preschooler to Love Learning? Let them play! Gwendolyn Haley, Spokane County Library District Youth Services Manager, and Success By 6 Board Member, says playtime is the most important part of a preschooler's day.>>
  • Your Baby: 2 Months

    Your Baby: 2 Months

    Our Success By 6 Pediatrician, Dr. Mary Kay Wagner, host of our "Your Baby" series discusses the finer points of living with a 2 month old baby. >>
  • Local Community ConnectionMore>>

  • For Women Only

    For Women Only

    A collection of news, health information, fashion tips and more all in one place and for women of all ages.>>
    A collection of news, health information, fashion tips and more - all in one place and for women of all ages.>>
  • Saluting the Brave

    Saluting the Brave

    News, features and pictures of the men and women who bravely serve our country.>>
    An online community for local military personnel and their families.>>
  • Success by 6

    Success by 6

    United Way Success By 6® is the nation's largest network of early childhood coalitions, focused on improving school readiness through community change.>>
    Success By 6® is focused on improving school-readiness through community change.>>
  • KHQMD

    KHQMD

    KHQMD - presented by Rockwood Clinic and Deaconess Medical Center - Your Health, Right Now>>
    KHQMD - presented by Rockwood Clinic and Deaconess Medical Center - Your Health, Right Now>>