00945cam a2200289 4500 146288100 TxGeo 20131023120000.0 120411s2012||||||||||||||||||||||||eng|u 2012000120 9780778720492 hbk. 0778720497 hbk. (OCoLC)776874513 TxGeo Hughes, Susan, 1960- Is it hot or cold? / Susan Hughes. New York : Crabtree Pub., 2012. 24 p. : col. ill. ; 21 x 21 cm. What's the matter Includes index. Introduces readers to materials that are either hot or cold and explains why things melt and freeze. 20131023. Temperature. Matter Properties. What's the matter. QS5