Grades 8-9 Sample Discovering Design with Earth Science is a laboratory-based science course for eighth or ninth graders that introduces students to the structure and processes of the geosphere, hydrosphere, and atmosphere. They’ll explore Earth’s layers, rocks and minerals, plate tectonics, earthquakes, and volcanoes. Memoria Press product: https://www.memoriapress.com/curriculum/science/discovering-design-with-earth-science-textbook/