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There are 5 videos in this category and 740 videos in 71 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 15 - 18
3354 Views:
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In this six-minute video the instructor talks about an experiment in his discussion of atoms. Sometimes the instructor is in the upper right-hand corner with information filling up the rest of the screen.
July 20, 2011 at 07:24 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
2442 Views:
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Mr. Higgins overviews the History of the Atom. From Democritus, John Dalton, JJ Thompson, Earnest Rutherford and James Chadwick. Designed for a Middle School...
September 18, 2014 at 09:15 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
6344 Views:
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This video from ACS features Diane Bunce, Ph.D, professor of Chemistry at Catholic University of America. She demonstrates several holiday activities and experiments, first addressing the procedures for each activity and then discussing the chemistry... concept behind it. The activities include: snow globes - viscosity and density, bounding snow balls - polymers and cross-linking, and holiday cards - polar and non-polar reactions. These "holiday" activities could easily be adapted to other times of the year. Although the activities seem appropriate for elementary level, the explanations given by Dr. Bunce are certainly for upper level chemistry classes. Run time 07:37.
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July 9, 2010 at 08:43 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
2191 Views:
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This class video shows step-by-step instructions for creating a hot air balloon. Some of the materials needed for this project include: several sheets of tissue paper, glue, stapler, and a wire hanger. (06:47)
April 13, 2012 at 07:52 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
2398 Views:
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This class video shows step-by-step instructions for creating a hot air balloon. Some of the materials needed for this project include: tissue paper, glue, stapler, and ruler. (09:58)
April 13, 2012 at 07:50 PM
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