Apsidal Precession (Perihelion Precession) and Milankovitch Cycles
Apsidal Precession (Perihelion Precession)
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Archimedes’ Principle
OpenStax College
Define buoyant force. State Archimedes’ principle. Understand why objects float or sink. Understand the relationship between density and […]

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Gauge Pressure, Absolute Pressure, and Pressure Measurement
OpenStax College
Define gauge pressure and absolute pressure. Understand the working of aneroid and open-tube barometers.
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Lesson Objective: Use the strategies of decomposing, jumps of ten, and splitting. Questions to Consider: Note how much think time Ms. Saul gives students before asking for solutionsWatch students use the secret thumb's upNotice how students use a common vocabulary to describe strategiesHow does mental math deepen students understanding of the basic operations?Support Materials BelowMore Info on Mental Math.
Common Core StandardsMath.3.NBT.2
(6mins)

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CSUN Alumna Named 2012 National Teacher of the Year
Cal State Northridge alumna Rebecca Mieliwocki '96 (Secondary English Education), who currently teaches at Luther Burbank Middle School, receives the National Teacher of the Year Award from President Barack Obama and delivers an inspirational speech to the audience assembled in the White House East Room. (Apr. 24, 2012. Video courtesy of the White House.)
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With the close of another academic year and another group of students graduating from MIT, some students were able to record a message for family and friends. Here is a compilation of the message from the students whose last names start with P - V in no particular order. If you can't find yours in this video, please try the "Everyone Else" video as weren't able to get everyone's last name.

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This video features the process of students using iOS devices (iPad, iPod Touch) to help build reading fluency skills. Students in the classroom use "The 3 R's" -- reread, record and reflect, to help build meta cognitive behaviors to asses their own literacy. This is a great professional development resource to show how to enhance technology instruction in the primary classroom. (2:29)
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This week on Channel 9, Dan and Brian discuss the week's top developer news, including:

How to Use "BlipSnips" (Create a Video Bookmark)
Blip Snips is an easy to use web tool that lets users create a video bookmark and then share specific parts of a video. Creating video tags or bookmarks allows users to find content quickly and efficiently. This is also an easy way to edit out some of the extraneous content of a video that might be great in the classroom. This is a great resource to help enhance technology instruction and application in the classroom. (2:28)
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Andrew Jackson, the Widower
Andrew Jackson's beloved wife, Rachel Donelson Robards Jackson, died shortly before he took office. In this video clip, learn more about the relationship between Andrew Jackson and his wife. (03:15)
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DNA: The Human Body Recipe
As a class, students work through an example showing how DNA provides the "recipe" for making our body proteins. They see how the pattern of nucleotide bases (adenine, thymine, guanine, cytosine) forms the double helix ladder shape of DNA, and serves as the code for the steps required to make genes. They also learn some ways that engineers and scientists are applying their understanding of DNA in our world.
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Reality TV star Bruce Jenner involved in serious crash
California police say ex-Olympian and reality TV star Bruce Jenner is involved in car crash that killed another person. Justin Mitchell reports. Subscribe: http://smarturl.it/reuterssubscribe More updates and breaking news: http://smarturl.it/BreakingNews Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the globe and across topics including business, financial, national, and international news. For over
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Many Patients Continue Using Proton Pump Inhibitors After Negative Results From...
By: gastro@scivee Dr. Andrew J. Gawron discusses his manuscript "Many Patients Continue Using Proton Pump Inhibitors After Negative Results From Tests for Reflux Disease." To view the print version of this abstract go to http://bit.ly/MKOYJT.
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USAWC Class of 2012 Seminar 13
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Art Center 4
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Disasters Holden and Matt
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Chertoff: we're behind in the race to thwart cyber attacks
Stephen Adler discusses the growing threat of cyber attacks with Michael Chertoff.
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 The video shows a livestock certified organic farm located in Ancramdale, New York in the U.S.A. The livestock consists of cattle, pigs and chicken.

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Circulation, The Human Heart: ( An Interactive Game)
Students learn about the circulatory system and keeping their hearts healthy by playing this game.  ( This link is for an interactive game and may take a few minutes to load.)
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