Across
- 2. The Hawaiian Islands are a beautiful example of a hotspot chain. _______ volcano lies above the Hawaiian hotspot.
- 4. Mantle plumes are pipes of hot rock that rise through the mantle. The release of pressure causes melting near the surface to form a _________.
- 6. An ocean _________ marks the location where the plate is pushed down into the mantle.
- 9. Type of boundary where two plates move past each other in opposite directions.
- 10. The world’s highest mountains, the ___________, are the result of the collision of the Indian Plate with the Eurasian Plate.
- 12. Type of boundary where new seafloor forms.
- 13. Most of the Earth’s geologic activity takes place at plate ___________.
Down
- 1. When oceanic crust converges with continental crust, the denser oceanic plate plunges beneath the continental plate. This process, called ___________.
- 3. Type of boundary where two plates move toward each other.
- 5. The _________ Mountains are the remnants of a large mountain range that was created when North America rammed into Eurasia about 250 million years ago.
- 7. Plates move at a rate of a few ___________ a year, about the same rate fingernails grow.
- 8. Subduction of an oceanic plate beneath a continental plate causes earthquakes and forms a line of volcanoes known as a continental _________.
- 11. Island country that is being split apart by a divergent boundary.