Introduces the states of matter by following the adventures of Joe-Joe, a student who tries to turn his homework into chocolate bars but instead transforms it i

This book in the Primary Physical Science series is full of surprising facts and hands-on activities to help kids explore solids, liquids and gases.

Rookie Read-About Science series.

Read and find out about the three states of matter—solid, liquid, and gas—in this colorfully illustrated nonfiction picture book. Can you make an ice cube d

This is now the third edition of a well established and highly successful undergraduate text. The content of the second edition has been reworked and added to w