Children gathered in the Gering Public Library on Thursday, June 16, to learn all about the power of sound waves. The library’s summer reading program hosted representatives Nicole Havlik and Journey Noyes from the Edgerton Explorit Center in Aurora.
Around 20 children and their parents or guardians attended the event.
“Sometimes we think science has to be this bigger thing, but there’s a lot of simple, fun things that we can do,” Havlik said. She added that the goal of such traveling programs is to have kids “... be able to experiment, try new things and learn science along the way.”
Havlik provided both experiments for the kids to view and activities for them to participate in. All of them revolved around sound in one form or another.
She taught the attendees about how tuning forks are used and how sound waves go through peaks and troughs. She put a bell in a jar and vacuumed out the air to demonstrate how sound requires air to function.
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She used a Ruben’s tube to light flames in a row and play noise which caused them to flicker or dim with varying intensity based on the sound waves impacting them.
Havlik also taught the children about how ear hairs react to loud noise, and how this can contribute to a loss in hearing.
“As the human body does, it will naturally fix itself by vibrating until it stands up straight again,” she said. “...If you listen to a lot of noise ... eventually those ear hairs will be unable to vibrate, stand up straight, and they will break. When that happens, we begin to experience hearing loss.”
Children listen intently as instructor Nicole Havlik describes some of the experiments they'll be performing during a scientific presentation at the Gering Public Library on June 16, 2022.
Havlik encouraged the children to turn down their music and to wear ear protection near loud noises to protect against early hearing loss.
To conclude the demonstration, Havlik presented three activities the children could do on their own. They built model sound waves out of tape, toothpicks and gum drops; created their own waves in jars with oil and water; and put washers in balloons and spun them around to demonstrate how sound travels.
“Whether there are a few (waves) and big, or whether there are many (waves) and little, these are different sounds,” Havlik told the group.
Kira Perez, the library’s youth services librarian, said she liked seeing the children try out different hands-on experiments.
“They seemed to really enjoy it,” she said.
“Each year, we try to find people to come that fit the theme, and this year is ‘Oceans of Possibilities,’” Perez said. “With the wave theme, it fit into that.”
Additional presentations this year were hosted by the Bird Conservancy of the Rockies and the Wildcat Hills State Recreation Area.
The children’s summer reading program concludes with a party on June 29. There is an adult reading program as well.
Though not at the library, the Explorit Center previously hosted events in the Scottsbluff region during the solar eclipse of 2017.
The museum is named in honor of Harold “Doc” Edgerton, a scientist and researcher who grew up in Aurora. The museum features hands-on exhibits and live teaching demonstrations similar to Thursday’s presentation in Gering.
“Now, we take it on the road all across Nebraska,” Havlik said.
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June 26, 2022 at 01:00PM
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Children learn the science behind sound | Lifestyle & Youth | starherald.com - Scottsbluff Star Herald
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