Across
- 1. Is measured in gigapascals in the mantle and core
- 4. The solid, outermost physical layer of the Earth
- 6. The temperature in the core is at least this in Kelvin (4,8)
- 8. The mantle is rich in this element
- 10. The distance to the centre of the Earth is about this in km (3,8)
- 11. This is the only truly liquid layer of the Earth (5,4)
Down
- 2. Describes compounds of silicon and oxygen
- 3. The outermost chemical layer of the Earth
- 5. Adjective meaning 'of earthquakes'
- 7. One of the elements found in the core of the Earth
- 9. This chemical layer of the Earth contains 22% magnesium