1 Overview Even in images taken with the most modern equipment on a large telescope, it can be difficult to pick out the galaxies now known as 'active' from the other more normal galaxies. But if your telescope were equipped to examine the spectra of the galaxies, then the active galaxies would stand out. Normal galaxies contain stars that are generally similar to those in our own Galaxy; and spiral galaxies have additional similarities to the Milky Way in their gas and dust content. Active galax
Count to 20 - A hip counting song for kids
COUNT TO 20! A hip counting song for young kiddos... Enjoy! (1:26)
The Dust Bowl: A Story of Survival
The Dust Bowl immigrants of the 1930s. A story of survival in The Great Depression. (AMateur video with slides and narration)
Chemie in het vierde jaar : Startpagina Deze website is een startpagina voor leerlingen met links naar oefeningen en video's die aansluiten bij de leerstof. Deze website wordt geleidelijk aangevuld.
NCL-Chinese Read into China -grammar -lesson 5
NCL-Chinese Read into China -grammar -lesson 5.
Protestant Reformation
This video describes the causes of the Protestant Reformation. backround knowledge is explained in regards to key individuals involved as well.
Work
A circus strongman and a clown help present the physics definition of work. Concept: Work = force x distance. 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.
Personal Computer Mouse Care & Cleaning Tips
Watch an expert demonstrate some great tips on cleaning the computer's mouse in this free how-to video on cleaning personal electronics. This video shows how to clean both types.
The Ante-Bellum Period: A Nation Divided: The American Civil War
A short selection from a documentary about the Antebellum Period. This video shows footage and information about the period before the U.S. Civil War. There were over 3 million slaves doing the labor in the South. (02:00)
2008.01.16 - DIY iSync Phone Plugin (Video)
If you or your staff/faculty have a cell phone model that currently isn't supported on Apple's list of supported iSync devices, you can create your own iSync Phone Plugin for your unsupported cell phone to allow you to sync contacts, and calendars.
Warren Burger
This excellent video is accompanied by text and is suitable for high school students. "Warren Burger served as chief justice of the Supreme Court from 1969 to 1986. The Burger Court, not known for activism, was at the center of two highly controversial cases in the 1970s that had a huge impact on the nation: Roe v. Wade and Regents of University of California v. Bakke."
4.2 Levels of explanation The distinction between the natural and the social is not the only significant one. Even the social orientation in constructions of social problems is complicated by different sorts of emphasis. The growth of social science since the late nineteenth century has ensured that a variety of competing theories, disciplines and perspectives are available to us in our attempt to make sense of social problems. Such theories have made their way into the realm of everyday or common-sense constructions
Acceleration Lab Experiment
In this slow motion video for IPS Schools by Clayborn a ball is released on an inclined plane and accelerates due to the force of gravity. At the bottom of the first inclined plane to the beginning of the second inclined plane the ball stops its positive acceleration by nearly maintaining its horizontal speed. On the second ramp the ball accelerates backwards down the slope, or loses speed to a point where it momentarily comes to rest. Therefore this video demonstrates POSITIVE ACCELERATION, ZER
2.2.1 Normal galaxies Normal galaxies are made up of stars and (in the case of spiral and irregular galaxies) gas and dust. Their spectra consist of the sum of the spectra of these components. The optical spectra of normal stars are continuous spectra overlaid by absorption lines (Figure 1). There are two factors to consider
The reversal of cell differentiation and prospects for cell replacement therapy
The inaugural Anne McLaren Memorial Lecture, "The reversal of cell differentiation and prospects for cell replacement therapy", given by Prof Sir John Gurdon FRS, University of Cambridge, at Lady Margaret Hall, Oxford, on 7 November 2008. Visit http://media.conted.ox.ac.uk/McLaren-2008 to view the full presentation from Professor Sir John Gurdon FRS, including his slides.
Is Human Behaviour in the Genes?
Lecture given by Dr David Lahti as part of Summer Course 6
4 Charakterstücke, op.3 for clarinet and piano UCT has typeset the clarinet part, since IMSLP has only the piano part and the viola part. However, the title list SEM image of open cell polyurethane foam Recognizing Numbers - 1-20 2.3.1 Burner reactors The object of a burner reactor is to use up or 'burn' as much uranium-235 as possible. For some reactor designs the uranium-235 content of natural uranium is increased chemically to produce enriched uranium, which contains up to 3% uranium-235 (compared with the naturally occurring 0.7%). The chain reactions in Author(s):
If a gas is injected into a liquid it forms a cellular foam structure. When a thermoset prepolymer of low viscosity is foamed, the polymer can drain from the cell walls (driven by surface tension) before it sets at the cell edges, leaving an open-celled foam. The cell edges have three concave sides, giving rise to the tri-cuspid cross section visible at the bottom of this image. The average co-ordination number for the nodes (where struts meet) is four, giving tetrahedral junctions.
A cool way to learn the numbers 1-20. Colorful and well-narrated. The narrator calls out each of the numbers then encourages the user to "find" a number. (02:59)
