A Look at Sand, Silt, and Mud (The Rock Cycle)

A Look at Sand, Silt, and Mud (The Rock Cycle)
They might just seem like types of dirt, but young readers will soon recognize the importance of sand, silt, and mud in the rock cycle. Full-page photos, intriguing text, and fun facts describe the differences between them, and why they're such an integral part of the earth's surface.