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"Deep Crisis," a new documentary from PBS's Scientific American Frontiers set to air January 28, 2003, explores the "past, present and uncertain future of the ocean's long-distance travelers - salmon and tuna." This companion Web site includes two lesson plans designed for grades 5-8 (see Teaching Guide), as well as a quiz based on program content. Homing Salmon focuses on the odor cues that researchers believe help salmon find their home streams for spawning. Salmon Counting introduces students to population sampling techniques. Both lesson plans include printable versions and answers to activity questions. Deep Crisis may be viewed online with RealPlayer or Windows Media.
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