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Alexander Graham Bell and the Telephone

Christine Webster

出版	Children's Press, 2004
主題	Juvenile Nonfiction / GeneralJuvenile Nonfiction / Biography & Autobiography / Science & Technology
ISBN	051624227X9780516242279
URL	http://books.google.com.hk/books?id=v_EUngEACAAJ&hl=&source=gbs_api

註釋

NATIONAL STANDARDS: National Science Standards, Grades 5-8- Science as Inquiry: I. Content Standard A- Scientific investigations sometimes result in new ideas and phenomena for study, generate new methods or procedures for investigation, or develop new technologies. National Social Studies Standards, Grades 5-8- Production, Distribution, and Consumption: VII- Describe the role that supply and demand, prices, incentives, and profits play in determining what is produced and distributed in a competitive market system.