01022cam a2200289 4500 146288084 TxGeo 20131023120000.0 110923s2012||||||||||||||||||||||||eng|u 2010029952 9780761357742 hbk. 0761357742 hbk. (OCoLC)652743589 TxGeo Walker, Sally M. Investigating light / Sally M. Walker. Minneapolis, MN : Lerner, 2012. 40 p. : col. ill. ; 24 cm. How does energy work "Searchlight books.". Includes bibliographical references (p. 39) and index. Explores what light is as a form of energy, how it bends and bounces, and how it contains colors, along with suggested experiments using light. 20131023. Light. How does energy work. QS5