Found 0 - 5 results of 5 programs matching keyword "why do boats float"


Exploratorium Science at America's Cup:  Science of Sailing 101 (Clip)
Running Time:
04:53
How can a wind-powered sailboat move faster than the wind? Why do the America's Cup sails look like airplane wings? With the beginner in mind, Exploratorium senior scientist Paul Doherty introduces the basic physics of sailing and sail design.

Project: Exploratorium Science at America's Cup | Browse All

Date: November 18, 2011
Format: Expedition
Category: Everyday Science
Subject(s): General Science

Keywords: exploratorium, america's cup, sailing, science, wind, waves, boats, ships, paul doherty, physics


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Exhibit Services:  Balancing Ball (Clip)
Running Time:
00:00:15
At the Balancing Ball exhibit, a plastic beach ball floats mysteriously several feet above a large plastic cone. Upon closer inspection, the ball is found to be floating on a stream of air blowing out of the cone; visitors interact with the ball, changing its position in relation to the air flow.

Project: Exploratorium Exhibit Services | Browse All

Date: January 10, 2008
Format: Exhibit
Category: Everyday Science
Subject(s): General Science

Keywords: ball, air, airflow, float, stream, exhibit


QuickTime: 308K  
Ice Stories:  Barrow Boat Basin (Clip)
Running Time:
00:00:26
Shots of research vessel in the Barrow boat basin near Nuvuk.

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

Date: August 29, 2007
Format: Expedition
Category: Everyday Science
Subject(s): General Science

Keywords: barrow, arctic, scenic, alaska, boats


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Windows Media: 1000K  
QuickTime: 1000K  
Iron Science Teacher:  Aluminum Foil (Webcast)
Running Time:
00:59:28
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-aluminum foil!

Project: Iron Science Teacher | Browse All

Date: August 6, 2004
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Physics

Keywords: teachers, experiments, activities, tinfoil into copper, density, aluminum foil boats, surface tension, bouyancy, hydrogen blimp model, electrical charge, electroscope model, static electricity, properites of aluminum foil, aluminum foil battery, activated charcoal,


Real: 225K  
Iron Science Teacher:  Tennis Balls (Webcast)
Running Time:
1:05:40
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: tennis balls!

Project: Iron Science Teacher | Browse All

Date: August 3, 2000
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Physics

Keywords: activitiies, contests, amusement park ride physiology, gravity forces on the human body, gravitational forces on the human body, free fall deomnstrator, bouyancy, why do boats float, floatation, doppler effect, 5-tone whirly, how radar works, air pressure in tennis b


Real: 34K  
 
Gordon and Betty Moore Foundation
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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