Earth's Rocky Past

Earth can be best described as one thing: rocky. From the melted rock inside its core to the solid granite peaks on its surface, almost all of Earth is made of rock. This series explore the fascinating history and future of the rocks that have been on Earth for millions of years. Age-appropriate science content matches school curriculums, covering metamorphic, igneous, and sedimentary rocks, how they form, how they erode, and what's left over after the rock cycle is completed. The series also focuses on minerals, crystals, and soil, giving readers a comprehensive look at the hard stuff below our feet.

• Science-rich content is made easy through stunning visuals and accessible language

• Fact boxes detail clues about Earth's past, offering additional opportunities for learning

• Each title features a concluding activity that challenges readers to apply their newfound knowledge to the real world

• Supports the Next Generation Science Standards by teaching students the methods and tools used by scientists to explore and understand their environments, using relatable examples to teach students how data is gathered and interpreted, how observations are made, and how experiments are conducted