Across
- 3. What type of plate boundary slides past one another?
- 6. What is made on the ocean floor that has land features of ocean ridges, and deep sea trenches?
- 8. What happens when a denser plate slides under a less dense plate?
- 10. Who proposed the idea of continental drift?
- 12. What do we call the land that was one big continent?
- 16. What plate has South America in it?
- 17. What plate has Europe in it?
- 18. What type of plate bondary made the Himalayan Mountains?
- 20. What is the name of the biggest plate?
Down
- 1. A convergent plate boundary can make a volcanic arcs, mountain ranges, and ________.
- 2. Who discovered that the sea floor is spreading?
- 4. What is the name of the plate that has Africa in it?
- 5. What plate has North America in it?
- 7. What is the name of the Earth's layer that is semi-solid, and has the plates float on it?
- 9. Where is the San Andreas Fault line? ______ America.
- 11. In every type of plate boundary what can be caused by all of the boudaries?
- 13. What is the name of the volcano that erupted in Washington State on May 18th?
- 14. What is the name of the smallest plate?
- 15. What type of plate boundary is the Mid-Atlantic ridge?
- 19. What is made by a convergent boundary, and spews lava at the top?