Rookie What is Density?

Rookie Read-About Physical Science series introduces the youngest readers to physical science concepts. Each book features critical-thinking questions throughout the text; a simple, hands-on experiment; a glossary and more. 

This Rookie Read-About Science book introduces young readers to density.  Colorful photos and simple text encourage children to read on their own as they learn that density is a measure of how much of something is in a certain amount of space.