Across
- 3. the mantle is the ____ layer of earth
- 4. seeds of an apple is like this part of the earth
- 5. liquid that rises from the core that creates ocean ridges
- 9. a fossil plant found all over the world
- 14. when magma comes up and creates new ridges
- 16. people accepted wegeners theory after his ____
- 18. the bounderie where plates move part
- 19. the force that represents the divergent bounderies
- 20. the man who found evidence of seafloor spread
Down
- 1. the man that discovered pangea
- 2. a huge wave caused by a earthquake in the ocean
- 6. the ____ dense material sank to the core of earth
- 7. the word that means all land
- 8. the bounderie where two plates slide past eachother
- 10. the earth is _____ under continental mountain ranges
- 11. the peel of an apple is like this to the earth
- 12. we live in this era
- 13. the bounderie where two plates collide
- 15. when the ocean shakes; usally on faults
- 17. places in earth where two plates move