Across
- 5. The process by which collision of the earth's crustal plates results in one plate's being drawn down or overridden by another
- 6. A long steep-sided narrow depression in the ocean floor
- 7. A type of tectonic boundary where two plates are moving toward each other
- 9. A boundary where two plates slide against each other in a sideways motion
- 10. Molten material beneath or within the earth's crust, from which igneous rock is formed
Down
- 1. A type of boundary where two plates are moving away from each other and new crust is forming from magma
- 2. The portion of the earth between the crust and the core
- 3. A core that is liquid layer about 2,266 km thick composed of iron and nickel
- 4. The crust and upper mantle of the earth
- 8. An unusually large sea wave produced by a seaquake or undersea volcanic eruption