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ALEX Podcasts


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Levitating Top Demonstration
Overview:
Gyroscopic motion, like that of a spinning top, creates a force that can be used to stabilize an object. Magnets can be used to either attract other magnets or repel them. When the forces of gyroscopic motion, magnetic repulsion, and gravity are all balanced correctly object can be made to levitate. The amazing process of levitation is displayed excellently using a Levitron top. There are no camera tricks, mirrors or wires used to make our top "float". As hundreds of our visitors can tell you this is just an amazing sight to see. Note: This video does not include audio.


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Nuclear and Gravitational Force
Overview:
This podcast is one of a series of podcasts that are designed to teach about the forces in our world.  This particular podcast focuses on gravitational and nuclear forces.  The students discuss Universal Gravitation, and nuclear forces and demonstrate each in the podcast.  They also define the unit for force.


Thinkfinity Podcasts


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Subject: Science
Title: Dryer Sheets     
Description: In this Science Update, from Science NetLinks, you'll hear how the old saying opposites attract relates to your laundry. Positively charged particles are attracted to negatively charged particles, which can cause static cling in clothing. Science Updates are audio interviews with scientists and are accompanied by a set of questions as well as links to related Science NetLinks lessons and other related resources.
Thinkfinity Partner: Science NetLinks
Grade Span: 6,7,8,9,10,11,12



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