"Lerner"--Cover. Includes bibliographical references (page 31) and index.
Summary:
"From the sun to lamps, light is all around us. Learn how shadows are made. Then discover with friends from Sesame Street how objects are transparent, translucent, and opaque"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.