Titles in this series introduce the first concepts that surround the physical sciences. The text is written to develop a child's understanding of science as well as the language related to it. Simple experiments are also...Titles in this series introduce the first concepts that surround the physical sciences. The text is written to develop a child's understanding of science as well as the language related to it. Simple experiments are also included, and exercises introduced to promote skills in sorting and handling data. For ages 6 to 11.