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There are 29 videos in this category and 52 videos in 6 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 15 - 18
2500 Views:
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Join Award winning teachers Jonathan Bergmann and Aaron Sams as they interactively teach Chemistry. 6.7: Phase Changes. The molar heat of fusion is defined in this video as energy required to melt one mole of a substance. (08:44)
January 30, 2012 at 08:12 PM
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Not Right For WatchKnowLearn
Ages: 15 - 18
2052 Views:
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Join Award winning teachers Jonathan Bergmann and Aaron Sams as they interactively teach Chemistry. 6.8: Phase Change--Solving Mathematical Phase Change . A sample problem from this video is,
" How much energy does it take to warm up 25.0 grams of ...water from -20 degrees Celsius to steam at 150.0 degrees Celsius?" (08:03)
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January 31, 2012 at 05:38 PM
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Not Right For WatchKnowLearn
Ages: 15 - 18
1898 Views:
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Join Award winning teachers Jonathan Bergmann and Aaron Sams as they interactively teach Chemistry. 6.7: Phase Changes. (07:19)
January 30, 2012 at 08:15 PM
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Not Right For WatchKnowLearn
Ages: 15 - 18
1890 Views:
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Join Award winning teachers Jonathan Bergmann and Aaron Sams as they interactively teach Chemistry. 6.8: Phase Change--Solving Mathematical. This video shows students how to solve phase change problems. (10:33)
January 31, 2012 at 05:30 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
1434 Views:
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Fun at home science demonstration about the polarity of liquids. Oils (non-polar) liquids will naturally separate from Water (polar). And if you dye the water you get a "bottled ocean". Be careful with paint thinners and other light oils, their fumes... are flammable. Do not swallow, etc. Because that would be SMRT. Concepts:Polarity
Covalent (04:52)
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November 27, 2013 at 01:51 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
1103 Views:
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Compares the difference in how heat is transfered through a solid material, conduction. Wood and Metal compared side by side through the full melting of one ...
September 19, 2014 at 06:31 AM
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Not Right For WatchKnowLearn
Ages: 13 - 18
1083 Views:
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A fun demonstration showing how the water and air inside of soap expands when placed in the microwave. Mr. Higgins leads you through the materials needed, th...
September 18, 2014 at 09:08 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
4534 Views:
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The five states of matter include liquid, solid, gas, plasma and Bose-Einstein condensate. Find out how matter can change from one state to another with important facts from a science teacher. (01:48)
December 27, 2010 at 08:23 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
2393 Views:
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This video, from instructor Sal Khan, offers information concerning the raising/lowering the boiling or freezing point of a solution by adding solute. Suitable for high school chemistry students. (13:59)
January 10, 2010 at 08:23 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
836 Views:
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Mr. Higgins films Dry Ice under water as it sublimates from a solid to a gas. The water was dyed blue to more clearly show the change of states. (12:37)
September 19, 2014 at 03:10 PM
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