Layers of the earth
Across
- 2. Huge underwater mountain ranges
- 4. A ball of hot, solid metals
- 10. A boundary where plates push together
- 12. One of the metals found in the core
- 13. A gap in the middle of a mid ocean ridge
- 16. A boundary where plates scrape past each other
- 17. Earths outer layer
- 18. When one plate sinks beneath another it is called __________
- 19. The crust and the top part of the mantle
- 20. The man who introduced the theory of plate tectonics
Down
- 1. Huge plates in the earths lithosphere
- 3. A super continent that contained all of the current continents
- 5. Currents in the mantle that move the tectonic plates
- 6. What happens when earths magnetic poles switch
- 7. A place where new crust is formed
- 8. A theory that the continents move over time
- 9. Earths thickest layer
- 11. A boundary where plates move apart
- 14. Convergent, divergent and transform
- 15. A place where heated rock rises in plumes, often creating volcanoes