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Featured Videos
Not Right For WatchKnowLearn
Ages:
14 - 18
2144
Views:
Thinkwell Chemistry: Charles's Law
From
YouTube
, produced by
Thinkwell
This is an excellent presentation in which the lecturer discusses Charles' Law in easy-to-understand terms. This is a clip from a larger segment and is done in a lecture-style format. There are times when the instructor is in a small window in the c
...
orner while he points out specifics. (07:31)
[more]
Found by
teresahopson
in
Gas Laws
May 8, 2010 at 07:52 PM
Favorites
Not Right For WatchKnowLearn
Ages:
11 - 18
2269
Views:
Why do Leaves Change Color in the Fall?
From
YouTube
, produced by
Davey Expert and ISA Certified Arborist Greg
In this episode of Talking Trees, Davey Expert and ISA Certified Arborist Greg Mazur explains why tree leaves change color in the fall, and why fall colors can be intense one year and less so the next. (03:39)
Found by
teresahopson
in
Trees
October 16, 2011 at 05:44 PM
Favorites
Not Right For WatchKnowLearn
Ages:
7 - 15
5642
Views:
Why Does Earth Have Different Seasons?
From
YouTube
This video discuss why we have the different seasons. It discusses the axis and shows are it links the two poles. Also discusses the tilt of the Earth and how it affects the seasons of the year and the length of day and night. It shows the tilt of
...
the Earth on the autumn and spring equinox and summer and winter solstice. Video is a good explanation of the seasons, why we have the seasons, and the tilt of the Earth. Good video for any age student. (05:53)
[more]
Found by
Barb
in
Seasons
July 23, 2009 at 04:28 PM
Comments:
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Favorites
Not Right For WatchKnowLearn
Ages:
9 - 15
2092
Views:
Happy 100 Birthday National Parks!: Arches National Park
From
YouTube
, produced by
StandardNet
Celebrate our National Parks! This video gives the history of Arches National Park.and discusses the natural stone arches, how long ago the arches were formed, how they were formed, climate, and how the park is a constantly-changing landscape. The
...
video discusses how Native Americans once lived in the park and shows proof of this. This video contains awesome pictures and is appopriate for elementary and middle school students. (02:20)
[more]
Found by
Barb
in
Utah
August 13, 2009 at 07:31 AM
Favorites
Not Right For WatchKnowLearn
Ages:
7 - 18
4287
Views:
Famous Early Failures Who Moved on to Great Things
From
YouTube
, produced by
bluefishtv.com
This is a very motivating video that encourages students to learn from their failures. It does this by showing numerous very famous people who succeeded despite their early failures. (01:17)
Found by
ronna_37
in
Inspirational Quotations
July 10, 2009 at 09:36 AM
Favorites
Not Right For WatchKnowLearn
Ages:
12 - 18
6462
Views:
NASA | Earth's Water Cycle
From
YouTube
, produced by
NASA
Water is the fundamental ingredient for life on Earth. Looking at our Earth from space, with its vast and deep ocean, it appears as though there is an abundance of water for our use. However, only a small portion of Earth's water is accessible for ou
...
r needs. How much fresh water exists and where it is stored affects us all. This animation uses Earth science data from a variety of sensors on NASA Earth observing satellites as well as cartoons to describe Earth's water cycle and the continuous movement of water on, above and below the surface of the Earth. (05:53)
[more]
Found by
teresahopson
in
Water Cycle
August 15, 2012 at 06:56 PM
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