Rated G for Children
Get flash to fully experience Pearltrees
Flubber is a polymer made by a chemical reaction. Polymers are very long chains of repeating units. When the two solutions are combined, polyvinyl acetate chains (a polymer from the white glue) are linked together in a 3-dimensional arrangement by borate ions (from the Borax) and other chemical bonds. This produces the thick, sticky polymer called Flubber. You can make flubber at home and find out what happens when:
Flubber | OMSI
Top 15 Most Popular Kids Websites
Here are the 15 Most Popular Kids Sites as derived from our eBizMBA Rank which is a constantly updated average of each website's Alexa Global Traffic Rank, and U.S. Traffic Rank from both Compete and Quantcast . "*#*" Denotes an estimate for sites with limited Compete or Quantcast data . If you know a website that should be included on this list based on its traffic rankings Please Let Us Know . 1 | Nick 932 - eBizMBA Rank | 4,800,000 - Estimated Unique Monthly Visitors | 159 - Compete Rank | NA - Quantcast Rank | 1,705 - Alexa Rank. Most Popular Kids Websites | Updated 3/18/2013 | eBizMBA 2 | PBSKids 967 - eBizMBA Rank | 4,600,000 - Estimated Unique Monthly Visitors | 267 - Compete Rank | 817 - Quantcast Rank | 1,817 - Alexa Rank.
BETWEEN THE FOLDS | History of Origami | Independent Lens
What are the origins of the paper folding process we now know as origami? Composed of the Japanese words oru (to fold) and kami (paper), origami has a rich and complex history that spans culture, class and geography. Classical and Traditional Origami