Across
- 3. what kind of rock the ocean floor is made of
- 7. Occurs when pressure is released, and solid hot rock will turn into magma
- 8. Motion provides mechanism for volcanic activity
- 9. This occurs in subduction zones
- 10. .1% increase in content lowers melting point at 122 degrees F
Down
- 1. visible reminders of invisible
- 2. plate boundaries that move towards each other
- 4. plate boundaries that move apart from each other
- 5. a long belt of volcanoes that surround the Pacific Ocean
- 6. Earths natural temperature increases with depth