Mass Balance Model With a Leaky Bucket
In this JAVA based online interactive modeling activity, students are introduced to the concept of mass balance, flow rates, and equilibrium using a simple water bucket model. Students can vary flow rate into the bucket, initial water level in the bucket, and residence time of water in the bucket. After ...
Author(s): R. MacKay

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Masses & Springs
A realistic mass and spring laboratory. Hang masses from springs and adjust the spring stiffness and damping. You can even slow time. Transport the lab to different planets. A chart shows the kinetic, potential, and thermal energy for each spring.
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Projectile Motion
Blast a Buick out of a cannon! Learn about projectile motion by firing various objects. Set the angle, initial speed, and mass. Add air resistance. Make a game out of this simulation by trying to hit a target.
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Pair Production
This animation illustrates Pair Production. In this interaction, the photon's energy creates an electron-positron pair. The minimum photon energy required for this is determined by Einstein's famous Energy-Mass relation.
Author(s): Michael R. Gallis

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Halloween Solar Storms from SOHO-EIT and SOHO-LASCO
This movie is a combination of SOHO-EIT at 195 Angstroms as well as the LASCO-C2 and C3 cameras. At this scale we can see the flashes from solar flares in SOHO-EIT (green) and the subsequent coronal mass ejections in SOHO-LASCO-C2 (red) and SOHO-LASCO-C3 (blue). This movie is synchronized to play with ...
Author(s): Tom Bridgman,Edward Stone,Carl Walz,Thomas Zurbuch

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Solar Sigmoid: Zoom In, Move Around, Pull Back
Solar sigmoid on the sun indicating possible pending coronal mass ejection.
Author(s): Greg Shirah,Sarah Gibson

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Nutrition: Isn't it Great!
This project will help you understand how to use nutrition and body mass index information to make healthy food choices.
Author(s): Ms. Farris

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Launch! Advertising and Promotion in Real Time
Launch! is written for advertising and promotions courses taught to students in the business school and journalism and mass communication students. This book is the first of its kind to teach advertising concepts by reverse engineering a real advertising campaign from beginning to end.
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Measurement
This two-part activity provides an introduction to the basics of measurement (linear, mass, volume, density) and discusses the role of inferential statistics in comparing any two measurements. The concept of random variations in measurements is introduced.
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Speed
The concept of speed is introduced to the inertia-mass relationship. Concept: Force varies with mass and rate of change of speed. Eureka was a series of short cartoons on physics that ran on public television in the 1980's.  The video explains the concept in simple and well illustrated way.  Good for students of any elementary school level.
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Drawing a Histogram
This lesson takes provided data about mass to create a histogram about the data.  While the lesson relates to a previous experiment, it still provides good step by step instruction on how to draw a histogram.  Graph paper will be needed to follow along and complete the lesson along with the instructor.  It is hard at times to see what the instructor is writing because the writing is very small.

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Cold War: Soviet Dissolution - part 1/5
1989 - 1991 The U.S. proves the stronger, the Soviet Union implodes. Germany is reunified. Shorn of its empire and communist domination, Russia faces its future with its economy in chaos. The balance of terror that has kept the peace for more than 40 years vanishes. The Cold War has ended without the use of nuclear weapons.
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Cold War: Soviet Dissolution - part 2/5
1989 - 1991 The U.S. proves the stronger, the Soviet Union implodes. Germany is reunified. Shorn of its empire and communist domination, Russia faces its future with its economy in chaos. The balance of terror that has kept the peace for more than 40 years vanishes. The Cold War has ended without the use of nuclear weapons.
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Cold War: Soviet Dissolution - part 3/5
1989 - 1991 The U.S. proves the stronger, the Soviet Union implodes. Germany is reunified. Shorn of its empire and communist domination, Russia faces its future with its economy in chaos. The balance of terror that has kept the peace for more than 40 years vanishes. The Cold War has ended without the use of nuclear weapons.
Author(s): No creator set

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Cold War: Soviet Dissolution - part 4/5
1989 - 1991 The U.S. proves the stronger, the Soviet Union implodes. Germany is reunified. Shorn of its empire and communist domination, Russia faces its future with its economy in chaos. The balance of terror that has kept the peace for more than 40 years vanishes. The Cold War has ended without the use of nuclear weapons.
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Cold War: Soviet Dissolution - part 5/5
1989 - 1991 The U.S. proves the stronger, the Soviet Unon implodes. Germany is reunified. Shorn of its empire and communist domination, Russia faces its future with its economy in chaos. The balance of terror that has kept the peace for more than 40 years vanishes. The Cold War has ended without the use of nuclear weapons.
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Sacrament of Anointing of the Sick
The Sacrament of Anointing of the Sick is a way to reach out spiritually to those who are unable to attend Mass, leading to spiritual healing with forgiveness of sins. It's a gift of the Holy Spirit that renews confidence and faith in God and strengthens against temptations to lapse into discouragement and anguish.
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The Planet Mars
This video shows the mass of Mars, distance to the Sun, what the atmosphere consists of, surface makeup, and what gives Mars its red color. Video shows Mars' clouds and what they consist of. This video is set to music, words are on the page, there is no reading.The video has a lot of good pictures. Run time 10:02.
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Lunch with a Laureate: Eric Chivian
In 1978, in his last years of residency in psychiatry at Mass General Hospital, Eric Chivian decided to do something bold. Encouraged by Australian physician, Helen Caldicott, who spoke of the medical dangers of the nuclear fuel cycle and of nuclear power, in particular, he decided to restart an old medical organization—Physi
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