This book looks at the difference between flexible and rigid objects, and how flexible and rigid objects can be useful in everyday life. Topics covered include: paper and cardboard, thick and thin, bending and breaking, wood that can bend, and brittle materials. Each book in the 'My World of Science' series explains science that you see in the world around you and use every day.This book looks at the difference between flexible and rigid objects, and how flexible and rigid objects can be useful in everyday life. Topics covered include: paper and cardboard, thick and thin, bending and breaking, wood that can bend, and brittle materials. Each book in the 'My World of Science' series explains science that you see in the world around you and use every day.