Across
- 2. A moving metal at the core creates Earth's ________ field
- 4. What is the name for the outermost layer of Earth?
- 7. This layer is at the centre of our planet
- 8. a layer of semi solid rock in the upper mantle
- 9. accounts for 40% of the surface of the Earth, mainly composed of granite
Down
- 1. The rigid outer part of Earth made of the crust and the upper mantle
- 3. A metal that makes up much of Earth's core
- 5. Thickest layer of Earth, where convection currents occur
- 6. ________ plates are massive pieces of rock (like a jigsaw puzzle), some of which encompass continents