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1. molten rock below the earth's surface
4. volcano that no longer erupts
6. the edge of the Pacific plate where most volcanoes occur
8. where subduction happens
9. type of volcano with tall gently sloping sides, has quiet
eruptions like Hawaii
11. a "sleeping" volcano
14. type of magma that is very thick and has a high silica
content
15. zones that produce the most violent eruptions
17. type of volcano with both granitic and basaltic lava
18. what is trapped in the magma that produces the violent
eruptions
21. name of the youngest Hawaiian island
22. the most active volcano
2. _____ Mountains of South America is one example of a
volcanic mountain range at a convergent boundary
3. one place where the Mid-Atlantic Ridge is exposed
5. where plates are spreading apart
7. type of magma the flows very easily and has a low silica
content
8. type of volcano that has granitic lava and violent
pyroclastic eruptions
10. places where magma comes through the middle of plates,
Hawaii and Yellowstone are examples
12. other than hot spots, the places that have basaltic
magma
13. type of plate boundary where there are no volcanoes
16. magma is ___ dense than the surrounding rock
19. a volcano that is currently erupting
20. molten rock on the earth's surface