Rookie What is Mass?

The natural world comes alive for young readers with Rookie Read-About Science!

This Rookie Read-About® Science book introduces young readers to mass. Colorful photos and simple text encourage children to read on their own as they learn that everything has mass, and that things made up of more matter have more mass.  It brings a broad array of topics to vibrant life with striking, just the right amount of fun, factual, fascinating text.

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.