Found 0 - 10 results of 24 programs matching keyword "brazil nut effect"


Science Teaching Tips:  Make a Cuica! (Podcast)
Running Time:
00:05:27
Learn how to build a version of a Brazilian instrument called the cuica, which demonstrates principles of sound. This podcast was created collaboratively in a teacher workshop at the Exploratorium.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: April 8, 2009
Format: Demonstration / Activity
Category: Popular Science
Subject(s): Art, General Science

Keywords: cuica, sound, brazil

Links: This activity is from Math & Science Across Cultures
Cuica How-To Videos and Instructions

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Ice Stories:  Sea Ice and Albedo Effects on Climate with Dr. Don Perovich (Webcast)
Running Time:
00:16:56
How does the interaction of solar radiation on sea ice effect climate change? Please join us as we chat live with Dr. Don Perovich, an expert in the fields of albedo effect, and sea-ice mass balance on climate.

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

Date: June 3, 2008
Format: Expedition
Category: Popular Science
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: arctic, ice stories, barrow, alaska, scientists, dispatches, climate change, geology, albedo effect, solar radiation, biology, oceanography, ice, don perovich, sea ice


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QuickTime: 1500K  
AfterSchool Activities:  Cuica Activity: Introduction (Clip)
Running Time:
00:00:39
An introduction to the cuica (pronounced KWEE-kah), a small friction drum used in Brazil's Carnival parade.

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, afterschool

Links: Download activity instructions
Going further
Download concept map

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AfterSchool Activities:  Cuica Activity: Step-by-Step Demonstration (Clip)
Running Time:
00:06:39
A detailed demonstration of how to make this small friction drum, including a discussion of materials needed and how different kinds of materials make for cuicas that produce different sounds.

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, afterschool

Links: Download activity instructions
Going further
Download concept map

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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

Links: Download activity instructions
Going further
Download concept map

Watch Now
Mind:  The Science of Laughter (Webcast)
Running Time:
00:57:53
Join us as we talk with Dr. William Fry, emeritus professor at Stanford University and the father of gelotology, the study of humor and laughter, and their effects on the human body.

Project: Mind | Browse All

Date: November 10, 2007
Format: Interview
Category: Popular Science
Subject(s): Life Science/Biology

Keywords: laughter, gelotology, humor, dr. william fry, effect of laughter


Real: 256K  600K  
Windows Media: 256K  600K  
QuickTime: 384K  
:  The Search for Exo-Planets (Webcast)
Running Time:
00:48:40
Searching for extraterrestrial life: is it telephoning aliens or really complicated math equations? Join Senior Scientist Paul Doherty, NASA Ames planetary Scientist Eric Wegryn, and SETI's Senior Scientist Seth Shostak as they explore how to find planets that could support life. How many of these planets are there? How did we find them? When will we know for sure?

Project: SETI | Browse All

Date: December 10, 2005
Format: Demonstration / Activity
Category: Popular Science
Subject(s): Astronomy/Space Science

Keywords: seti, planets, stars, pulsar, space, extraterestrials, the drake equation, doppler effect


Real: 225K  450K  
The Nobel Prize: 100 Years of Creativity:  Inventing Photons (Webcast)
Running Time:
00:42:10
Exploratorium Senior Scientist, Dr. Paul Doherty, takes us through the Photoelectric Effect and the "invention" of photons.

Project: The Nobel Prize: 100 Years of Creativity | Browse All

Date: August 11, 2005
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Physics

Keywords: atoms and particles, photoelectric effect activity, electric charge, formication, photons, interference patterns, lightwaves


Real: 225K  
Iron Science Teacher:  CD Cases (Webcast)
Running Time:
00:56:57
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: CD cases!

Project: Iron Science Teacher | Browse All

Date: July 1, 2005
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Physics

Keywords: experiments, teachers, demos, activities, magnetism activity, iron content in food and black sand, iron filings, magnitite, kinetic sieving, avalanche floor exhibit snack, avalanche snack, granularity, angle of repose, brazil nut effect, squeeze box activity, squee


Real: 225K  
Iron Science Teacher:  Golf Balls (Webcast)
Running Time:
00:58:11
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. Tee off with this week’s “secret” ingredient-golf balls!

Project: Iron Science Teacher | Browse All

Date: July 9, 2004
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: teachers, demos, activities, gravity, energy, catapults, brazil nut effect, kinetic sieving, temperature effect on bouncing balls, graphing, elasticity, fertilization model, roller bowler model, friction, bowler roller model, roller bowler model, birds, bird beaks, bird


Real: 225K  
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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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