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Found 0 - 4 results of 4 programs matching keyword " speaker"
AfterSchool Activities:  Cup Speaker Activity: Introduction (clip)
Running Time:
00:00:51
An introduction to how to make your own simple speaker, which transmits sound from a radio or MP3 player and demonstrates the principles of electromagnetism and vibration.

Project: AfterSchool Activities | Browse All

Date: September 10, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science
AfterSchool Activities:  Cup Speaker Activity: Step-by-Step Demonstration (clip)
Running Time:
00:06:43
A detailed demonstration of how to make a cup speaker, including a discussion of materials needed.

Project: AfterSchool Activities | Browse All

Date: September 10, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science
AfterSchool Activities:  Cup Speaker Activity: What's Going On (clip)
Running Time:
00:02:25
The science behind the Cup Speaker activity, including how electromagnets work, and how in this activity the magnet pushes the bottom of a cup back and forth, vibrating the air and creating sound.

Project: AfterSchool Activities | Browse All

Date: September 10, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science
Mathematica:  Steve Cabella and Joseph Rosa: Reflections on Eames Design (webcast)
Running Time:
1:12:03
In a broad-ranging look at the impact of Eames design on contemporary culture, Steve Cabella hosts a discussion with Joseph Rosa, Curator of Architecture and Design at the San Francisco Museum of Modern Art.

Project: Mathematica | Browse All

Date: February 27, 2002
Format: Interview
Category: Popular Culture
Subject(s): Arts