Other editions of book Rocks

Scientists categorize rocks into three different groups depending on how the rock was formed. Humans have used rocks from all groups as tools and in construction for thousands of years. Readers will be amazed to learn how heat, pressure, magma, and even water bring minerals together to form these useful compounds in this elementary title.

"Developed by literacy experts for students in kindergarten through grade three, this book introduces rocks to young readers through leveled text and related photos"--