Found 30 - 40 results of 42 programs matching keyword "amplification of sound"


AfterSchool Activities:  Cuica Activity: What's Going On (Clip)
Running Time:
00:01:30
The science behind this musical instrument, including the concepts of sound, vibration, resonance, and amplification.

Project: AfterSchool Activities | Browse All

Date: January 14, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: sound activity, sound experiment, music, musical instrument, sound, hearing, ear, brazil, percussion, carnival, friction, resonance, echo

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AfterSchool Activities:  Sound Sandwich Activity: Introduction (Clip)
Running Time:
00:00:24
An introduction to a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch.

Project: AfterSchool Activities | Browse All

Date: January 14, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: sound, sound activity, sound experiment, vibration, hearing, ear, pitch, music, afterschool

Links: Download activity instructions
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AfterSchool Activities:  Sound Sandwich Activity: Step-by-Step Demonstration (Clip)
Running Time:
00:02:32
A detailed demonstration of how to make this primitive wind instrument using little more than a straw, two craft sticks, and some rubber bands.

Project: AfterSchool Activities | Browse All

Date: January 14, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: sound, sound activity, sound experiment, vibration, hearing, ear, pitch, music, afterschool

Links: Download activity instructions
Going further
Download concept map

Watch Now
AfterSchool Activities:  Sound Sandwich Activity: What's Going On (Clip)
Running Time:
00:01:48
The science behind this instrument, including a discussion of how vibration produces sound, and how long, massive objects vibrate slowly and produce a low-pitched sound, while shorter, less massive objects vibrate quickly and produce a high-pitched sound.

Project: AfterSchool Activities | Browse All

Date: January 14, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: sound, sound activity, sound experiment, vibration, hearing, ear, pitch, music, afterschool

Links: Download activity instructions
Going further
Download concept map

Watch Now
Iron Science Teacher:  Halloween Edition: Plastic Bags (Webcast)
Running Time:
00:55:27
Watch as Exploratorium staff and local teachers compete for the title of Iron Science Teacher. Each contestant has 10 minutes to make a science lesson out of a secret ingredient. In this special Halloween edition, today's secret ingredient is: Plastic Bags!

Project: Iron Science Teacher | Browse All

Date: October 31, 2003
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Physics

Keywords: vaccuum sealing, air pressure, perception of touch, tactile sense, bubble bomb activity, carbon dioxide production, acids and bases, 5-tone whirlies, quantum music, corrugated plastic pipes, resonance, sound waves, bagpipes, air speed


Real: 256K  
Science Wire:  Biometrics: Vox Unlocks (Webcast)
Running Time:
00:11:16
Our team of middle school students from the Aim High program investigates new technologies that use our unique physical traits as tools for identification. Vox Unlocks tunes into voice recognition

Project: Science Wire | Browse All

Date: November 5, 2002
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Life Science/Biology

Keywords: voice recognition technology, voice verification, vocal chords, vocal vowels exhibit, vocal vowels floor exhibit, pitch switch exhibit, pitch switch floor exhibit, voice characteristics, sound waves, vocal characteristics,


Real: 256K  
Science Wire:  Echo-Logic (Webcast)
Running Time:
00:41:34
Produced by students from San Francisco's Aim High Program. Today they ask, how do our ears work? Can we communicate without words? How do whales communicate under water? Why don't bats slam into trees as they fly? Middle school students will interview Exploratorium Educator Ken Finn and Biologist Dr. Karen Kalumuck, plus special surprise guests!

Project: Science Wire | Browse All

Date: May 18, 2002
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Life Science/Biology

Keywords: sonar, human hearing, sound location, science of music, guitar science, paul dresher ensemble, chromatic quadrachord instrument demonsrtation, nocturnal animal sounds, underwater animal sounds, whale song, production of sound, animal echolocation, low-frequency sound


Real: 256K  
Science Wire:  Sound Advice (Webcast)
Running Time:
12:25:46
Why do many things sound different underwater? How are echoes made? Can you feel or see sound? Join us as we delve into the mysteries of sound. This webcast will feature an Aim High student demonstrating how to make a membranophone; Exploratorium physicist Dr. Paul Doherty modeling sound with ringing aluminum rods, corrugated plastic whirlies, and a slinky; and Marco Jordan, lead educator in the Exploratorium's Outreach program, demonstrating sound science with a "whine" glass and a singing bowl.

Project: Science Wire | Browse All

Date: May 4, 2002
Format: Expedition
Category: Everyday Science
Subject(s): Physics

Keywords: human hearing, ear physiology, sense of hearing, perception of sound, slinky science, compression waves, acoustics, oscilloscope, pitch, 5-tone whirly, whirly tube, whirly hose, echo tube exhibit, echo tube floor exhibit, sound wavelengths, reflection of sound waves, r


Real: 256K  
Origins: Antarctica:  Sound Artist Doug Quinn (Webcast)
Running Time:
0:35:12
Join the Origins team as they travel to Antarctica. We sent Mary, Noel, Paul, and Julie to explore scientific wonders from McMurdo to the Pole. Learn all about the extreme science being conducted at the South Pole in a daily dispatch from Terra Australis Incognita!

Project: Origins: Antarctica - Scientific Journeys from McMurdo to the Pole | Browse All

Date: December 29, 2001
Format: Interview
Category: Everyday Science
Subject(s): Life Science/Biology, Arts

Keywords: sound recordings of adelie penguins, ecstactic display, antarctic penguin sounds, penguin noise, , weddell seal sounds underwater, recording sound underwater, glacier breaking sound, sound recording in antarctica, sounds of antarctic glaciers and rock, singing glac


Real: 80K  
Iron Science Teacher:  Cups (Webcast)
Running Time:
1:07:01
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: cups!

Project: Iron Science Teacher | Browse All

Date: July 16, 1999
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: activities, contests, experiments, paper cups, dna analogy, toothpicks, double helix activity, double helix model, dna model, paper cup speakers, dynamic speakers, amplification of sound, electromagnetism, centripical force, water wheel, watercycle, hydropower, flammable


Real: 34K  
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