Book excerpt: The Discovering Science through Inquiry series provides teachers and students of grades 3-8 with direction for hands-on science exploration around particular science topics and focuses. The series follows the 5E model (engage, explore, explain, elaborate, evaluate). The Earth Systems and Cycles kit provides a complete inquiry model to explore Earth's various systems and cycles through supported investigation. Guide students as they make cookies to examine how the rock cycle uses heat to form rocks. Earth Systems and Cycles kit includes: 16 Inquiry Cards in print and digital formats; Teacher's Guide; Inquiry Handbook (Each kit includes a single copy; additional copies can be ordered); Digital resources include PDFs of activities and additional teacher resources, including images and assessment tools; leveled background pages for students; and video clips to support both students and teachers.