The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
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From page 261... ...
Teacher demonstrates pendulum. grades 5-8, 165-166 Photographer: David Powers, courtesy University grades 9-12, 192 of California, San Francisco.
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From page 262... ...
Teachers participate in San Francisco City models of alkanes and alkenes. Photographer: Science Summer Institute.
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