Table of contents

1. Layers of the Earth:
   • crust, mantle, core
   • composition, depth
2. The Earth´s crust:
   • crustal plates
   • convection currents
3. The Earth´s surface:
   • atmosphere
   • hydrosphere
   • lithosphere (rocks, minerals, crystals)
4. The lithosphere:
   • igenous rocks
   • sedimentary rocks
   • metamorphic rocks
5. Igenous rocks:
   • intrusive igneous rocks
   • extrusive igneous rocks
6. Sedimentary rocks:
   • weathering
   • erosion and transport
   • deposition
7. Metamorphic rocks:
   • definition, origin, examples
8. The rock cycle
9. Keywords: English-German