Across
- 2. The liquid layer of metal that surrounds the inner core.
- 8. Preserved remains or traces of ancient organisms
- 9. Sudden and violent shaking caused by movement in the crust.
- 10. Earth's solid metallic centre.
Down
- 1. The movement of these causes Earth's continents to change position over millions of years.
- 3. The process responsible for transferring heat through the Earth's mantle and moving tectonic plates.
- 4. The thin, rocky outer layer of Earth.
- 5. Scientific theories rely on ____________.
- 6. Opening in the crust where lava escapes.
- 7. The semi-molten layer beneath the crust.