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A True Book
出版Children's Press, 2004
主題Juvenile Nonfiction / GeneralJuvenile Nonfiction / Science & Nature / GeneralJuvenile Nonfiction / Science & Nature / Environmental Science & EcosystemsJuvenile Nonfiction / Science & Nature / PhysicsJuvenile Nonfiction / Technology / General
ISBN05162280729780516228075
URLhttp://books.google.com.hk/books?id=G3S0ObEQvmUC&hl=&source=gbs_api
註釋NATIONAL STANDARDS: National Science Standards, Grades K-4- Physical Science: II. Content Standard B- Light travels in a straight line until it strikes an object. Light can be reflected by a mirror, refracted by a lens, or absorbed by the object.- Heat can be produced in many ways; heat can move from one object to another by conduction- Earth and Space Science: IV. Content Standard D- The sun provides the light and heat necessary to maintain the temperature of the earth.