Notes: Cambridge Checkpoint and Beyond - Chemistry Secondary 1 (Year 7) Chapter 4 The Earth

Notes for Cambridge Checkpoint and Beyond - Chemistry Secondary 1 (Year 7) Chapter 4 (The Earth).
Each document covers the units learned in the chapter:
4.1 The structure of the Earth
4.2 Igneous rocks
4.3 Sedimentary rocks
4.4 Sedimentary rock formation
4.5 Metamorphic rocks
4.6 Enquiry: Questions, evidence, and explanations: the rock cycle
4.7 Enquiry: Using science to explain predictions: volcanoes
4.8 Soil
4.9 Enquiry: More about soil
4.10 Fossils
4.11 Estimating the age of the Earth
4.12 Extension: Human fossils