This is a series of lessons designed for KS3 that explore the Earth’s structure, atmosphere and the rock cycle. Lesson 1: Earth’s Structure Lesson 2: Earth’s Atmosphere Lesson 3: Igneous Rocks Lesson 4: Sedimentary Rocks Lesson 5: Metamorphic Rocks Lesson 6: The Rock Cycle Homework Project This series of lessons is available as PDF files and Powerpoint.