Found 10 - 20 results of 20 programs matching keyword "measuring density"


Origins: Astrobiology:  Life's Ingredients (Webcast)
Running Time:
00:43:30
Julia Child and physicist Philip Morrison once cooked up (and sampled) "primordial soup," a mixture of ingredients said to be the materials from which life sprang on Earth. How accurate is this notion? David Deamer studies how some molecules self-assemble into order, and has developed new theories about how life evolved from components on Earth. We’ll talk with him, do hands-on experiments, and watch vintage footage of Julia Child tasting the soup. Guests: David Deamer, Director, UC Berkeley SETI Program, and Karen Kalumuk, Exploratorium staff scientist.

Project: Origins: Astrobiology: The Search for Life | Browse All

Date: November 16, 2003
Format: Interview
Category: Science in Action
Subject(s): Life Science/Biology, Chemistry

Keywords: self-assembled structures, self-assembly processes, directed assembly process, primordial soup recipe, building blocks of life, life on other planets, life on mars, chemical reactions, amino acid production, molecule formation, density column, emulsifiers, emulsifica


Real: 256K  
Iron Science Teacher:  Pencils (Webcast)
Running Time:
00:53:13
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: Pencils

Project: Iron Science Teacher | Browse All

Date: August 2, 2002
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: yardstick, air pressure, density of air, strength of pencils, mechanical forces, conductivity of pencils, electric currents in a pencil, polymer, metal content of a pencil, carbon graphite cundictivity, electrical resistance in carbon graphite, rheostat activity, lan


Real: 256K  
Iron Science Teacher:  Eggs (Webcast)
Running Time:
1:00:51
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: Eggs!

Project: Iron Science Teacher | Browse All

Date: July 19, 2002
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: newton, laws, motion, density column, emulsifiers, emulcification, solutions, calcium carbonate, silver, eggs, egg, activity, activities, shoes, eggshells


Real: 256K  
Origins: Hubble:  New Eyes for Hubble (Webcast)
Running Time:
00:31:20
The Advanced Camera for Surveys (ACS) was successfully installed. In preparation for the installation of the NICMOS Cooling System tomorrow, the astronauts also installed the Electronics Support Module. We also talk with Massimo Stiavelli, a scientist at the Space Telescope Science Institute about his involvement with the ACS and the future Wide Field Planetary Camera 3 (WFPC3) scheduled to be installed during the next servicing mission in 2004.

Project: Origins: Hubble | Browse All

Date: March 7, 2002
Format: Interview
Category: Science in Action
Subject(s): Astronomy/Space Science

Keywords: designation sts-109 hubble space telescope service mission simulation, hubble camera replacement, cooling the infrared cameras, measuring luminosity of stars, wide field and planetary cameras, wfpc, ultrviolet camera


Real: 256K  
Origins: Antarctica:  Antarctica Fractals with Benoit Mandelbrot (Webcast)
Running Time:
0:46:48
In 1963 Benoit Mandelbrot introduced the fractal concept. Fractals are shapes or behaviors that have similar properties at all levels of magnification. Just as the sphere is a concept that unites raindrops, basketballs and Mars, so fractal is a concept that unites clouds, coastlines, plants and strange attractors. Dr. Mandelbrot dropped in for a visit during our 2001 series of webcasts about Antarctica. We took some time out from the freezing cold to interview him.

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

Date: December 14, 2001
Format: Interview
Category: History of Science
Subject(s): Mathematics

Keywords: definition of fractal, fractal definition, science of roughness, geometry of roughness, roughness of clouds, roughness of cumulus clouds, fractal dimension, measuring topography of dry valleys, roughness of geology, variance of landscape, scale of invariance, scale


Real: 80K  
Origins: Antarctica:  Antarctica: Mt. Erebus 4 (Webcast)
Running Time:
0:35:49
Real: 80K  
Iron Science Teacher:  Bi-Coastal Challenge: Milk Cartons (Webcast)
Running Time:
1:04:05
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. This special edition will pit east coast teachers from Columbia University against teachers from the Exploratorium's Teacher's Institute. In this zany competition teachers will have ten minutes to create a science activity from a "secret" ingredient: milk cartons!

Project: Iron Science Teacher | Browse All

Date: December 1, 2001
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Everyday Science

Keywords: fiber optic model, fiber optic water, air pressure, density, styrofoam and acetone, static electricity, electrtostatic, static charge, electrical charge, change of state, water pressure, coriolis effect, periscope, pinhole viewer


Real: 256K  
Try This!:  Try This! With Paul Doherty and Friends: Gorazd Planinsic (Webcast)
Running Time:
00:16:58
Dr. Paul Doherty scours the globe for the world's greatest science demonstrations. Here he partners with Dr. Gorazd Planinsic, frequent contributor to Physics Teacher magazine, active in international physics education, and illustrator of physics text books. Watch this webcast, follow the links to the 'recipes,' then try it yourself!

Project: Try This! With Paul Doherty and Friends | Browse All

Date: March 8, 2001
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: color, light and color, ping pong ball, film can, film cannister, colored leds, mixing colors, led light activity, mixing colors to make white light, density column, mineral oil, soda bottle, cartesian diver snack, descartes diver activity, bouyancy, air pressure, liqu


Real: 256K  
Iron Science Teacher:  Corks (Webcast)
Running Time:
1:04:33
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: corks!

Project: Iron Science Teacher | Browse All

Date: June 23, 2000
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: activities, contests, experiments, fork balancing trick, center of mass, balance, center of gravity, rocket launcher, measuring velocity, bottle blast-off activity, rocket height calculator, buoyancy, magnethenge, magnetic repulsion, magnetic attraction, battling magnet


Real: 34K  
Iron Science Teacher:  Food Coloring (Webcast)
Running Time:
1:00:07
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: food coloring!

Project: Iron Science Teacher | Browse All

Date: July 2, 1999
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: activities, contests, experiments, air pressure, condensation, fog chamber snack, fog chaber activity, density chamber, molecular motion, fluid flow, density of salt water, ice balloons activity, meanderings, fractures, genie in a bottle activity, chemical reaction,


Real: 34K  
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