Volcanoes

2. this is hot, molten rock that you would normally see above ground
3. ash can shoot high into the air and will block what?
7. this is hot, molten rock that is underground
9. fat flowing clowds of hot ash and volcanic glass rolling doing the mountainside are __________ flows
12. The ring of ______ is a boundary along the pacific plate, and consists of 75% of the worlds active volcanoes
13. ash in the air can make it really hard to do what?
14. a mountain that forms when magma is forced to the earth's surface
17. small volcanoes made from ash and rocks are called _________ cone.
18. more water and gas cause a bigger __________
20. the ring of fire is along what plate?

1. pyroclastic flows consist of hot ash and volcanic ________
4. the technical name for crust and the upper mantle of earth is what?
5. explosive eruptions followed by outpourings of lava(big volcanoes) are called what?
6. composite volcanoes are found along what type of boundary?
8. can block sunlight when shot into the air and makes it hard to breathe.
10. cinder cone volcanoes are found along what type of boundary?
11. a composite volcano is also called what?
15. this is an active composite volcano in Washington state. Mt. St. _______ (lowercase first letter)
16. more silica is also called high __________
19. almost entirely magma and lava, looks like a giant shield.