49,818,017 Videos Watched

Age Filter: Click to Set

Embed Video
Embed Video:
URL of source video:
Simply give the URL and we will get the embed code automatically, if we support embedding from the site.

Properties of Light

There are 21 videos in this category and 47 videos in 7 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 8 - 13
3569 Views:
Light - by StudyJams
From scholastic.com, produced by Scholastic
Light is a very important energy source that helps keep us warm and lets us see the world.  Light travels in waves through bundles of energy called photons. The photons contain all seven colors of the rainbow.  Grab a prism and check them out!  Learn... [more]
May 28, 2011 at 01:58 PM
Comments: 1
  • Favorites

Not Right For WatchKnowLearn
Ages: 15 - 18
1115 Views:
Turning Biological Functions On and Off with Light
From sciencefriday.com, produced by Science Friday
Current research which shows how a biological function can be turned on and off with the use of a light source, with the possibility of using it in future medications. "Food coma" takes on new meaning when nematodes are fed a light-sensitive chemical... [more]
January 18, 2010 at 09:33 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 8 - 18
783 Views:
Primary Colors of Light and Pigments (Interactive)
From pbslearningmedia.org, produced by WGBH Educational Foundation
In this interactive activity adapted from Shedding Light on Science, learn about the primary colors of light and pigment. First, see red, green, and blue gelatin blocks used as filters to demonstrate the absorption of specific wavelengths of light. T... [more]
May 19, 2012 at 11:17 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 14 - 18
426 Views:
Diffraction Explained
From YouTube, produced by Kamal Wafi
Diffraction is a wonderful and fascinating topic that I find my students have difficulty grasping at first. I hope this video gives a clear picture. (18:00)
July 22, 2012 at 01:15 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: unspecified
1613 Views:
Light Song
From vimeo.com, produced by Simple Science
This 2:49 video uses graphics and a song to convey what light is and its parts. An excellent introduction.
January 11, 2012 at 08:32 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 14 - 18
430 Views:
Converging Lenses
From YouTube, produced by Kamal Wafi
PowerPoint with voiced explanations goes over how to construct ray diagrams for thin converging lenses (concave and convex).  Understand the terms virtual image, object and ray.  Goes over focal length and focal point.  Three cases used as examples. ... [more]
June 16, 2012 at 08:02 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 7 - 12
8244 Views:
Light Absorption, Refraction, and Reflection - by StudyJams
From scholastic.com, produced by Scholastic
Light always travels in a straight line until something gets in its way.  When that happens, light can be absorbed, reflected, or refracted, depending on what kind of surface it hits.  Learn more about light with this cartoon animation from StudyJams... [more]
June 4, 2011 at 08:43 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 10 - 18
1169 Views:
Why Is the Sky Blue?
From YouTube
In this "Ask an Astronomer" episode (03:05), Dr. Carolyn Brinkworth fills us in on what the color of the sky has to do with finding life on distant planets.
May 2, 2010 at 07:43 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 11 - 18
1890 Views:
Light and Color
From teachersdomain.org, produced by WGBH Educational Gouindation
In this video segment adapted from Shedding Light on Science, learn about the dispersion of light, the electromagnetic spectrum, and how sunlight contains a range of wavelengths (photons of differing energy). Isaac Newton investigated sunlight by shi... [more]
August 12, 2010 at 09:43 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 9 - 18
1342 Views:
Adventures in Science - Science Of Light
From YouTube, produced by Jason Perry
Join a science professor as he explains to his class how light was used in an old-school special effects technique: Optical Compositing. This was how movies and TV shows of yesteryear did what green screen does today. (04:10)
March 27, 2011 at 12:29 AM
  • Favorites


Loading featured videos...


123 NEXT (1 - 10 of 21)
History [show]


Loading history...

Comments
Please make your comments on categories positive, and not just negative.

People work hard on educational categories, and we want to encourage them to make more!

  • Profanity (curse words), sexually suggestive remarks, and other such obviously inappropriate comments will be deleted immediately, and are grounds for immediate expulsion. Remember, children use this website.
  • Personal criticism on project forums and in video content is not allowed and will be deleted immediately. Any violations of this rule could result in expulsion from the project so please, no insults or other negative personal remarks.
  • Very harshly-worded criticism of content will also be deleted promptly. Please use your vote to express your harshest feelings. Repeated violations of this rule can result in expulsion. If you must criticize another person's hard work, then be nice about it.
If you want to comment, please sign in
Reason:  

  Cancel

Share