Across
- 3. underwater mountain range, formed by diverging tectonic plates; largest volcano system on Earth
- 6. a phenomena in which magma comes up at the mid-ocean ridge and creates new oceanic crust
- 8. solid,thin, outer layer of Earth- can be oceanic or continental
- 9. huge piece of crust that slowly moves on the upper, ductile part of the mantle
- 10. deep and narrow depression in the seafloor where the subducted plate moves into the asthenosphere
Down
- 1. molten(melted)rock, beneath Earth's surface: cools to form rocks with crystals
- 2. a place where two tectonic plates move toward each other
- 4. the place where two tectonic plates move away from each other
- 5. the process in which a denser plate is pushed beneath a less dense plate when two plates converge
- 7. a depression of Earth's surface in which an ocean lies