Plate tectonics

2. What magma is called when it reaches the surface of the Earth
7. What are vibrations that travel through earth carrying the energy released during an earthquake called?
8. Plates that are moving toward each other
9. The outermost shell of the earth
11. An area of stress in the earth where broken rocks slide past each other causing a crack in the Earth’s surface
12. Innermost part of the earth

1. the sideways and downwards motion of the edge of a plate of the Earth's crust into the mantle beneath another plate is called
3. A vent in the crust of the Earth from which molten rock, ash and steam are ejected
4. Plates that are moving away from each other
5. What is the theory that pieces of earths litosphere are in constant motion driven by convection currents in the mantle called?
6. Part of the earth that goes around the core and is solid
7. When one plate is forced beneath another into the mantle
10. Molten rock when it is underground