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  #1  
Old Saturday, April 04, 2009
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Default Educational Videos Only

Sometimes you don't get a concept by reading a bundle of pages that you may get by watching just a picture or a 2 minute video. Please share all types of educational videos, animations, illustrations that you feel can be helpful for the preparation

very nice animation on the formation of seasons, get the concept of equinoxes and solstices

http://www.youtube.com/v/taHTA7S_JGk



Eclipses

http://www.youtube.com/v/ilSkZQafybk


Do share
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  #2  
Old Sunday, April 05, 2009
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Take a journey
All I could say was "Subhan Allah"

http://www.youtube.com/v/BGxRWCmwSDE


I love the HST (Hubble Space Telescope)
She's the darling of astronomers and cosmologists

http://www.youtube.com/v/mcBV-cXVWFw
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  #3  
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Default Structure of heart

Structure of heart .....................................

http://www.youtube.com/v/tEjH-xXCNe4

Last edited by Last Island; Sunday, April 05, 2009 at 06:42 PM.
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http://www.youtube.com/v/uDRxvFYNDmc


hope it helps .

Nice idea by Mohsin

bestwishes

H.E
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Old Monday, April 06, 2009
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Default Blood Flow In The Heart

Blood Flow In The Heart..


http://www.youtube.com/v/mH0QTWzU-xI


regards...
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Greeh House Effect and Global Warming

http://www.youtube.com/v/dP-tg4atr5M



Climate Change

http://www.youtube.com/v/_nZjrPoAlbU
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Why do we have a leap year

Calculations
One solar day = 24 Hours ?
Not exactly, it's slightly longer
We loose 59.17808220 seconds a day when we say it's equal to 24 hours
This means
59.17808220 x 365 = 21600 seconds a year
21600 divided by 60 = 360 minutes a year
360 divided by 60 = 6 hours a year (6 hrs is one quarter of a day)
6 Hours per year x 4 years = 24 hours after 4 years

Theory and some interesting facts by auntie in this video

http://www.youtube.com/v/z3njaPA0abw
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Biogeochemical Cycles
(if the text in the images in not visible, kindly download the images and try zooming)

1 - The Carbon Cycle





2 - The Nitrogen Cycle





3 - The Water Cycle


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Default Mitosis

Mitosis
Here is a brief video to help understand Mitosis.


http://www.youtube.com/v/3kpR5RSJ7SA
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Default Meiosis

Meiosis
Animation showing meiosis hope its helpful

http://www.youtube.com/v/uh7c8YbYGqo
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