Volcanoes

2. layer of earth below the lithosphere that has convection currents
5. volcanic rock in a volcano
6. an oceanic tectonic plate that lies beneath the Pacific Ocean.
7. a destructive mudflow on the slopes of a volcano.
9. a mountain with lava in it that erupts
10. the powdery substance formed after something is burnt
13. downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
17. a type of plate formed in the ocean
18. a sudden and violent shaking of the ground
19. a rock formed by cooling lava

1. landforms created by volcanic activity, typically formed through the eruption of magma from beneath the Earth's crust.
3. a type of crust formed under the land
4. hot liquid in the asthenosphere
6. chaotic mixture of rock fragments, gas, and ash that travels rapidly
8. two plate poudries the come together to form a mountain
11. the layer on top of the Asthenosphere
12. a large volcano on above sea level
14. a boundry between the plates of the earth
15. a spot with hot mantle that forms a line of volcanos
16. a tectonic belt of volcanoes and earthquakes. It is about 40,000 km long and up to about 500 km wide