Robson, Pam. creator text New York Gloucester Press c1993 monographic eng 32 p. : col. ill. ; 30 cm. Presents information and activities related to the measurement of time, weight, area, density, and other aspects of the world around us. Pam Robson. Includes index. Physical instruments Juvenile literature Physical measurements Experiments Juvenile literature Measurement Experiments Experiments QC55 .R6 1993 530.8/078 0531174190 93019873 DLC 070426 20190501200301.0 4414868