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All about Chemical Bonding

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Gr 9 Up—Through the use of captivating animated sequences, this series explicates three types of chemical bonding. Each short film introduces a complex concept and then succinctly demonstrates it. Covalent discusses why bonding occurs and demonstrates the VSEPR (Valence Shell Electron Pair Repulsion) theory. Ionic focuses on the Gilbert Lewis Theory and the Pauling Scale. Metallic explores the Octet Rule and illustrates various types of cubic and hexagonal arrangements. Useful support notes for each segment can be found on VEA's website. Recommended for high school science programs.—Vincent M. Livoti, Sherrill Library, Lesley University, Cambridge, MA
In this beautiful, heartrending, yet horrifying film, North Koreans tell their stories of imprisonment, sexual slavery, torture, murder, and escape to China or South Korea during the nearly 50-year regime of Kim Il Sung (1912—94). The interviews are illustrated through the interspersion of dance sequences, archival news footage, and drawings. Particularly interesting are the North Korean propaganda films celebrating Kim Il Sung as God and showing in the face of mass starvation happy workers, elaborate military displays, and the creation of a new flower in 1988 in honor of the 46th birthday of Kim's son and successor, Kim Jong Il. A valuable time line traces 20th-century events in Korea. Bonus features include previously unreleased footage of camp refugees. This mesmerizing film displays excellent production values and is highly recommended for Asia collections.—Kitty Chen Dean, formerly with Nassau Community Coll., Garden City, NY
Reviewed by Kitty Chen Dean , Jun 01, 2011

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