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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



Web Resources: Podcasts


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Drawing Lewis Dot Diagrams
http://www.youtube.c...
Paul Anderson demonstrates how to draw Lewis dot diagrams for individual atoms, and how those electrons form covalent bonds in molecules.

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Chemical Bonds: Covalent vs. Ionic
http://www.youtube.c...
Paul Anderson differentiates between covalent and ionic bonds, and shows how to use electronegativity to determine whether bonds are ionic, polar covalent, or nonpolar covalent.

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