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AfterSchool Activities:  Water Bottle Membranophone Activity: Step-by-Step Demonstration (Clip)
Running Time:
00:10:32
A detailed demonstration of how to make the saxophone-like membranophone, including a discussion of materials needed.

Project: AfterSchool Activities | Browse All

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

Keywords: music, musical instrument, toy, vibration, hearing, ear, afterschool

Links: Download activity instructions
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AfterSchool Activities:  Water Bottle Membranophone Activity: What's Going On (Clip)
Running Time:
00:01:54
The science behind the water bottle membranophone, including a discussion of how air vibrates the instrument's membrane, producing sound.

Project: AfterSchool Activities | Browse All

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

Keywords: music, musical instrument, toy, vibration, hearing, ear, afterschool

Links: Download activity instructions
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AfterSchool Activities:  Whirling Watcher Activity: Introduction (Clip)
Running Time:
00:00:45
An introduction to a spinning disc called a stroboscope, which lets you create your own animated cartoon.

Project: AfterSchool Activities | Browse All

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

Keywords: strobe, frames, persistance of vision, animation, cartoon, animated movie, movie, film, tv, sight, eye, afterschool

Links: Download activity instructions
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AfterSchool Activities:  Whirling Watcher Activity: Step-by-Step Demonstration (Clip)
Running Time:
00:04:32
A detailed demonstration of how to make a stroboscope, including a discussion of materials needed.

Project: AfterSchool Activities | Browse All

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

Keywords: strobe, frames, persistance of vision, animation, cartoon, animated movie, movie, film, tv, sight, eye, afterschool

Links: Download activity instructions
Download concept map
Going further

Watch Now
AfterSchool Activities:  Whirling Watcher Activity: What's Going On (Clip)
Running Time:
00:00:47
The science behind the Whirling Watcher stroboscope, including a discussion of the phenomenon called persistence of vision, which in this activity creates the illusion of a galloping horse.

Project: AfterSchool Activities | Browse All

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

Keywords: strobe, frames, persistance of vision, animation, cartoon, animated movie, movie, film, tv, sight, eye, afterschool

Links: Download activity instructions
Download concept map
Going further

Watch Now
AfterSchool Activities:  Jitterbug Activity: Introduction (Clip)
Running Time:
00:01:32
An introduction to the jitterbug, a simple motorized toy made of a recycled CD and a DC motor.

Project: AfterSchool Activities | Browse All

Date: January 13, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: electricity, electric motor, toy, curcuit, rotational vibration, spinning, shimmy, afterschool

Links: Download activity instructions
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AfterSchool Activities:  Jitterbug Activity: Step-by-Step Demonstration (Clip)
Running Time:
00:10:57
A detailed demonstration of how to make this toy, including a discussion of materials needed.

Project: AfterSchool Activities | Browse All

Date: January 13, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: electricity, electric motor, toy, curcuit, rotational vibration, spinning, shimmy, afterschool

Links: Download activity instructions
Download concept map
Going further

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AfterSchool Activities:  Jitterbug Activity: What's Going On (Clip)
Running Time:
00:01:41
The science behind this toy, including a discussion of how electric circuits work, and how an unbalanced load (an off-center weight on your jitterbug) results in rotational vibration.

Project: AfterSchool Activities | Browse All

Date: January 13, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: electricity, electric motor, toy, curcuit, rotational vibration, spinning, shimmy, afterschool

Links: Download activity instructions
Download concept map
Going further

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Ice Stories:  Ice Cube Telescope, Part II (Webcast)
Running Time:
00:31:28
Hear more from scientists working on the Ice Cube telescope at the South Pole.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: January 12, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Astronomy/Space Science

Keywords: antarctica, neutrinos, dark matter, dark energy, astronomy, space, nasa, scientists, mcmurdo station, cosmic rays

Links: ICE CUBE Homepage

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Ice Stories:  Glaciologists at the West Antarctic Ice Sheet (Webcast)
Running Time:
00:46:36
Meet glaciologist Slawek Tulaczyk and his team, who work in the fast-emerging field of ice sheet dynamics. They speak to us just after returning from a month at a remote camp on the West Antarctic Ice Sheet.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: January 12, 2008
Format: Expedition
Category: Popular Science
Subject(s): Geology/Earth Science

Keywords: antarctica, glaciers, ice sheet dynamics, subglacial lakes, west antarctic ice sheet, floods, streams, ice quakes

Links: 

Watch LOWWatch High
Real: 256K  600K  
Windows Media: 256K  600K  600K  
QuickTime: 384K  1500K  
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Gordon and Betty Moore Foundation
Webcasts made possible through the generosity of the Gordon and Betty Moore Foundation, The Jim Clark Endowment for Internet Education, the McBean Family Foundation,.and the Corporation for Educational Networks Initiatives in California (CENIC).

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