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Chemical and Physical Changes
There are 14 videos in this category and 11 videos in 2 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 8 - 12
2770 Views:
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A physical change means that matter changes size or shape, but not its atomic makeup. Chemical and nuclear changes alter matter on an atomic level. Find out more about chemical and physical changes with this cartoon animation from StudyJams. A sho...rt, self-checking quiz is also included with this link.
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May 23, 2011 at 07:01 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
940 Views:
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Join award winning teachers Jonathan Bergmann and Aaron Sams as they interactively teach Chemistry: 1.3: Chemical and Physical Changes. Four indicators of a chemical change ( gas given off, light/heat given off, color change, and precipitate formed)... are discussed. The differences between chemical and physical changes are described. ( 9:38)
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October 24, 2011 at 08:12 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
1195 Views:
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Join award winning teachers Jonathan Bergmann and Aaron Sams as they interactively teach Chemistry: 1.3: Chemical and Physical Changes. Chemical and physical changes are defined and explained in this podcast. ( 8:05)
October 24, 2011 at 06:59 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
859 Views:
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This fifteen-minute video introduces kinetics. The video studies the physical concept of reactions (rate). The atoms and molecules in reactions have to move and share electrons to bond in certain ways.
May 29, 2011 at 05:34 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
807 Views:
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In this 17 minute video the Kreb's cycle is explained using cartoon graphics and a lecturer. The Kreb's cycle is also known as the citric acid cycle.
It is a process where cells use oxygen as part of the cellular respiration process.
June 4, 2011 at 03:16 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
811 Views:
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This 15 minute video explains reactions in equilibrium. Reactions in equilibrium tend to increase or drop in energy during
the reaction in both directions. Equilibrium is the state when both sides are equally forming into the other. The video uses... a spokesperson and animation.
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May 29, 2011 at 05:38 PM
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Not Right For WatchKnowLearn
Ages: 7 - 13
761 Views:
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Ever wonder why ice cubes float? Let's make sense of it with science! As you know, ice cubes are frozen water. This video shows a variety of pictures and gives written/audio content. Content is appropriate for upper elementary and middle school stude...nts. This would be a great resource for a science lesson and would work well in conjunction with non-fiction texts on chemical changes (2:00)
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August 8, 2011 at 08:29 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
567 Views:
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Lesson ObjectiveStudents observe color changes during chemical reaction. Questions to ConsiderHow does beginning with a quick demonstration clarify expectations for student labs?How does the lab make accuracy in measurement enticing for students?How... does the lab prepare students for the next lesson on pH levels in sweets?
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January 20, 2012 at 12:13 AM
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Not Right For WatchKnowLearn
Ages: 3 - 7
511 Views:
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Applesauce
From pbslearningmedia.org, produced by Sid the Science Kid
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In this Super Fab Lab video clip from “The Perfect Pancake" episode of "Sid the Science Kid," kids learn about irreversible change by examining apples that have been changed by heat into applesauce. (1:17)
April 15, 2012 at 03:07 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
369 Views:
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This video demonstrates how shape memory materials change into their original shape when heated. It describes how shape metal alloys are based on phase transformations in which these materials have multiple solid phases that change when temperatures... are increased or decreased. It also explains how to set the memory shapes. (4:50)
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May 27, 2012 at 12:29 PM
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