Across
- 3. a super continent
- 5. molten rock
- 6. features on the Earth's surface
- 8. a seafloor mountain system formed by plate tectonics
- 13. a large continuous mass of land
- 15. a large super continent that existed in the northern hemisphere before it broke up
- 17. heat-driven cycles
- 18. a period in an organisms life cycle
- 19. water working away at the earth
- 21. breaking down rock
Down
- 1. hot/cold mixture of water and rock fragment
- 2. a missive irregularly shaped slab of molten rock
- 4. originator of continental drift hypothesis
- 7. molten rock found below the Earth's surface
- 9. present day Africa, South America,ect super continent
- 10. opening earth crest and lava comes out
- 11. the outermost shell of a terrestrial planet
- 12. what happens when two blocks of earth suddenly slip past one another
- 14. major fracture of the Earth's crust
- 16. the deepest and hottest layer of our planet
- 20. the liquid layer of the Earth's core